Saudi Arabian Oil Company patent applications on August 1st, 2024
Patent Applications by Saudi Arabian Oil Company on August 1st, 2024
Saudi Arabian Oil Company: 27 patent applications
Saudi Arabian Oil Company has applied for patents in the areas of E21B44/00 (4), E21B47/12 (2), E21B41/00 (2), E21B49/00 (2), B01D53/14 (1) E21B44/00 (2), B01D53/1425 (1), E21B47/12 (1), G06V20/70 (1), G01V20/00 (1)
With keywords such as: data, parameters, fluid, pressure, determining, well, seismic, surface, drilling, and physical in patent application abstracts.
Patent Applications by Saudi Arabian Oil Company
Inventor(s): Mohamed Ahmed Soliman of Oakville (CA) for saudi arabian oil company, Yohannes Hilawe of Ras Tanura (SA) for saudi arabian oil company, Wasim Arshad of Ras Tanura (SA) for saudi arabian oil company, Abdullah Ghanmi of Dhahran (SA) for saudi arabian oil company
IPC Code(s): B01D53/14, B01D53/18, B01D53/26
CPC Code(s): B01D53/1425
Abstract: a method and a system for dehydrating a gas stream while recovering energy are provided. an exemplary method includes sending a lean glycol stream to a glycol contactor, contacting a wet gas with the lean glycol stream in the glycol contactor, forming a rich glycol stream. the rich glycol stream from the glycol contactor is passed through an energy recovery unit, forming a low-pressure stream. the low-pressure stream is fed to a glycol regeneration column. power from the energy recovery unit is used to generate a vacuum in the glycol regeneration column.
Inventor(s): Tulio D. Olivares Antunez of Khobar (SA) for saudi arabian oil company, Rami Adel Sindi of Damman (SA) for saudi arabian oil company, Rafael M. Pino of Damman (SA) for saudi arabian oil company
IPC Code(s): B04B13/00, B01D21/26, B01D21/34, B04B9/10, E21B21/06
CPC Code(s): B04B13/00
Abstract: a system includes a centrifuge, a centrifuge feed pit, a centrifuge discharge pit, and a computer system. the centrifuge receives solids-laden drilling fluid via a centrifuge pump and discharges conditioned drilling fluid and separated solids using centrifuge operational parameters. the centrifuge feed pit comprises the solids-laden drilling fluid and a first solids content sensor. the centrifuge discharge pit comprises the conditioned drilling fluid and a second solids content sensor. the computer system is configured to analyze results from the first solids content sensor and the second solids content sensor using a set of goal drilling fluid parameters and send an instruction to the centrifuge based on the analyzed results of the solids content sensors. the instruction comprises a first instruction to stop the centrifuge or a second instruction to adjust the centrifuge operational parameters.
Inventor(s): Abdulmalik Abdullah Alghanmi of Ala Ghazawat (SA) for saudi arabian oil company, Abdulaziz S. Ai-Qasim of Dammam (SA) for saudi arabian oil company
IPC Code(s): B64U80/25, B64F1/36, B64U70/95, B64U70/99
CPC Code(s): B64U80/25
Abstract: a drone system includes a headquarter station and one or more drone port stations. each drone port station includes a platform configured to receive a drone, a radar system configured to detect and identify the drone, and one or more locker clips disposed on the platform, wherein the one or more locker clips are configured to lock onto one or more legs extending from the drone. each drone port station also includes an internal computer configured to control operations of the drone port station, an internal camera operatively connected to the internal computer, where the internal camera is configured to detect a charging port or a fuel tank of the drone, a glass panel placed on the platform, where the glass panel is configured to protect the internal camera, and an antenna extending from the platform and configured to provide a communications pathway from the drone port station to the headquarter station.
Inventor(s): Layan Alaeddin AlSharif of Dhahran (SA) for saudi arabian oil company, Abdulrahman Mohammed Alqahtani of Khobar (SA) for saudi arabian oil company
IPC Code(s): E03B3/28, B01D15/26, E04D1/02
CPC Code(s): E03B3/28
Abstract: the disclosure provides systems to passively capture water from air, and related methods. the systems can be used as a roof tile.
Inventor(s): Ahmed A. Al-Mousa of Dhahran (SA) for saudi arabian oil company, Linlin Wang of Dhahran (SA) for saudi arabian oil company
IPC Code(s): E21B7/06, E21B29/06, E21B34/02, E21B34/10
CPC Code(s): E21B7/061
Abstract: a system includes a milling assembly with a mill bit and a drill string that mills a new wellbore section. the system further includes a whipstock assembly that is formed by a smart reamer that reams an obstruction in a wellbore, a whipstock that deflects the milling assembly away from the wellbore, and a bypass valve mechanism that controls a fluid flowing through the system. within the system, the milling assembly is fluidly connected to the whipstock assembly.
Inventor(s): Bilal Tariq of Lahore (PK) for saudi arabian oil company, Muhammad Ali Qureshi of Lahore (PK) for saudi arabian oil company
IPC Code(s): E21B33/05
CPC Code(s): E21B33/05
Abstract: a hydrocarbon production system including a casing hanger positioned within a casing head spool, a casing attached to the casing hanger and cemented into the wellbore, and a production tubing hanger positioned within a tubing head spool above the casing head spool. the production tubing hanger includes a rotating inner mandrel within a non-rotating housing. the rotating inner mandrel includes a mandrel collar in contact with a bearing positioned between the rotating inner mandrel and the non-rotating housing. the non-rotating housing includes flutes integrally formed into a first end of the non-rotating housing to improve fluid flow. upper seal element and lower seal elements are positioned within an annular space between the rotating inner mandrel and the non-rotating housing. a production tubing string is positioned within the casing, where the production tubing string is rotated by rotating a landing joint attached to an upper end of the rotating inner mandrel.
Inventor(s): Ahmed A. Al-Mousa of Doha (QA) for saudi arabian oil company, Abdullah S. Almulhim of Dhahran (SA) for saudi arabian oil company, Omar M. Alhamid of Dammam (SA) for saudi arabian oil company
IPC Code(s): E21B33/12, E21B33/16, E21B47/06, E21B47/117
CPC Code(s): E21B33/12
Abstract: systems and methods for an extra shallow depth packer to avoid isolating the reservoir with cement include installing a shallow packer element in a well. hydraulic oil is supplied to the shallow packer element. the shallow packer element is pressure tested. a tubing casing annulus (tca) is monitored for leaks. the shallow packer element is inflated upon detecting a leak in the tca.
20240254856. ASSEMBLY AND GRIPPER USED THEREIN_simplified_abstract_(saudi arabian oil company)
Inventor(s): Ali A. Almusallam of Al Mubarraz (SA) for saudi arabian oil company
IPC Code(s): E21B33/134, E21B29/00
CPC Code(s): E21B33/134
Abstract: an assembly comprises a downhole tool and a gripper. the downhole tool is configured to be set in a wellbore and milled after a scheduled period, wherein the downhole tool has a first tool end and a second tool end along a longitudinal direction. the gripper is positioned opposite the first tool end along the longitudinal direction, wherein the gripper comprises a slider and an activator. the activator is configured to be moved by the downhole tool relative to the slider between an inactivated position and an activated position when the downhole tool is milled from the second tool end. the slider remains unmoved when the activator is in the inactivated position, and the slider moves radially to engage with an internal wall of the wellbore and stop the downhole tool from rotation when the activator is in the activated position.
Inventor(s): Abdulrahman Mamdouh Anzi of Al Khafji (SA) for saudi arabian oil company, Mohammed Hadi Alqahtani of Al Khafji (SA) for saudi arabian oil company
IPC Code(s): E21B34/16, E21B47/12
CPC Code(s): E21B34/16
Abstract: a method and systems controlling fluid flow in a multi-wellbore well system with a surface controlled formation isolation valve in a well system requiring an intervention job. the method includes transmitting, from a control panel on a surface of the earth, the control panel operatively coupled to the well system, a control signal to a surface controlled formation isolation valve positioned in the well system at a downhole location and configured to control a fluid flow from a motherbore into a production tubing. the method includes receiving, at the surface controlled formation isolation valve, the control signal. the method includes after receiving the control signal at the surface controlled formation isolation valve, opening the surface controlled formation isolation valve hydraulically. the method includes after opening the surface controlled formation isolation valve, the required intervention job can be conducted.
Inventor(s): Jamie Cochran of Aberdeenshire (GB) for saudi arabian oil company, Jinjiang Xiao of Dhahran (SA) for saudi arabian oil company
IPC Code(s): E21B41/02, E21B41/00
CPC Code(s): E21B41/02
Abstract: a chemical dispenser system includes a y-tool secured to a toolstring via a y-block, the y-tool comprising a bypass line and a pump line, where the bypass line and the pump line are fluidly connected to the toolstring at an upper end of the y-block and where the pump line and the bypass line are arranged parallel to each other. the chemical dispenser system further includes an electrical submersible pump provided in the pump line, inhibitor chemicals held within one or more pressure retaining chambers in the bypass line, and a blanking plug landed in the bypass line.
Inventor(s): Qadir Looni of Dhahran (SA) for saudi arabian oil company, Ahmed Abdullah Al-Mousa of Dhahran (SA) for saudi arabian oil company
IPC Code(s): E21B43/12, E21B43/14
CPC Code(s): E21B43/12
Abstract: an assembly for closing inflow control devices (icds) using dissolvable balls and plugs includes icds, each of which can be installed at a respective fluid producing zone of a subterranean zone to control flow of well fluids from the respective fluid producing zone into a wellbore. the assembly includes compartments corresponding to the icds, each to be installed within a respective compartment. the compartments are serially connected to each other and arranged sequentially from an uphole location to a downhole location. the compartments define successively smaller diameters from the uphole location to the downhole location. the assembly includes plugs corresponding to compartments. each plug can be received in a respective compartment to close flow of well fluids from the subterranean zone into the wellbore through a respective icd installed in the respective compartment. the plugs are serially connected to each other and installed uphole of the compartments.
Inventor(s): Lailaa Helmi Alshammasi of Qatif (SA) for saudi arabian oil company, Yacine Meridji of Dhahran (SA) for saudi arabian oil company, Majed Fareed Kanfar of Dammam (SA) for saudi arabian oil company, Lautaro Rayo of Dhahran (SA) for saudi arabian oil company
IPC Code(s): E21B43/16
CPC Code(s): E21B43/16
Abstract: some implementations provide a method that includes: accessing a stream of input data from logging tools in a first well-bore, wherein the stream of input data comprises measurements of bore sizes inside the first well-bore; splitting the stream of input data into a training set of input data and a testing set of input data; training a machine learning model using the training set of input data, wherein the machine learning model is configured to predict a bore size parameter based on input features of the training set of input data; evaluating the machine learning model using the testing set of input data; and in response to evaluating the machine learning model as satisfactory, applying the machine learning model to a newly received stream of input data from a second well-bore such that the bore size parameter of the second well-bore is determined independent of measurements of bore sizes inside the second well-bore.
Inventor(s): Mohammed Murif Hassan Al-Rubaii of Dammam (SA) for saudi arabian oil company
IPC Code(s): E21B44/00, E21B21/08
CPC Code(s): E21B44/00
Abstract: systems and methods for evaluating carbon dioxide emissions during drilling operations include measuring a plurality of mechanical drilling parameters and a plurality of drilling fluid parameters; determining a hole cleaning index that indicates an effectiveness of removing cuttings from a borehole, the hole cleaning index comprises a cutting concentration in an annulus and a carrying capacity index that specifies the carrying capacity of the drilling fluid, determining being based on the measured parameters; evaluating hydraulic pressures in the borehole and in a drill bit based on the measured parameters; calculating a drilling specific energy based on the hole cleaning index and the evaluated hydraulic pressures; calculating carbon dioxide emissions of the drilling operation based on the drilling specific energy; and determining drilling parameters based on minimizing the drilling specific energy and calculated carbon dioxide emissions.
Inventor(s): Klemens Katterbauer of Dhahran (SA) for saudi arabian oil company, Abdallah A. Alshehri of Dhahran (SA) for saudi arabian oil company, Alberto Marsala of Venezia (IT) for saudi arabian oil company, Ali Abdallah Alyousef of Dhahran (SA) for saudi arabian oil company
IPC Code(s): E21B44/00
CPC Code(s): E21B44/00
Abstract: a method for predicting conditions ahead of a drill bit while drilling a well involves performing, using a machine learning model, a classification of formation properties ahead of the drill bit, based on data that includes logging-while-drilling (lwd) data obtained while drilling the well.
Inventor(s): Mohammed H. Al Madan of Al Qatif (SA) for saudi arabian oil company
IPC Code(s): E21B47/07, G06N3/08
CPC Code(s): E21B47/07
Abstract: a method may include obtaining acquired pressure data for various wells in a geological region of interest. the method may further include obtaining acquired pressure gradient data for the wells. the acquired pressured gradient data may correspond to a pressure difference based on vertical depth at one or more wells among the wells. the method may further include obtaining acquired temperature data regarding the wells. the method may further include determining predicted pressure data for a well in the geological region of interest using a first machine-learning model and the acquired pressure data. the method may further include determining predicted pressure gradient data for the well using a second machine-learning model and the acquired pressure gradient data. the method may further include determining predicted flow rate data for the well using a third machine-learning model, the predicted pressure data, the predicted pressure gradient data, and the acquired temperature data.
Inventor(s): Klemens Katterbauer of Dhahran (SA) for saudi arabian oil company, Abdllah A. Alshehri of Dhahran (SA) for saudi arabian oil company, Alberto Marsala of Venezia (IT) for saudi arabian oil company, Ali Abdallah Alyousef of Dhahran (SA) for saudi arabian oil company
IPC Code(s): E21B47/12
CPC Code(s): E21B47/12
Abstract: systems and methods for geosteering using reconciled subsurface physical parameters are disclosed. the methods include obtaining reconciled physical parameters at each of a plurality of locations within a subsurface; training at least one machine learning network to classify the reconciled physical parameters into a rock type based, at least in part, on the reconciled physical parameters; classifying the reconciled physical parameters into the rock type with the at least one machine learning network; and interpreting the rock type to form a subsurface geology model and inform a geosteering decision.
Inventor(s): Jin-Hong Chen of Katy TX (US) for saudi arabian oil company, Stacey M. Althaus of Houston TX (US) for saudi arabian oil company, John David Broyles of Houston TX (US) for saudi arabian oil company, Houzhu Zhang of Houston TX (US) for saudi arabian oil company, Younane N. Abousleiman of Norman OK (US) for saudi arabian oil company
IPC Code(s): E21B49/08, G01N24/08, G01R33/46
CPC Code(s): E21B49/088
Abstract: techniques for determining an uptake capacity of a core sample include measuring a nuclear magnetic resonance (nmr) spectrum signal of a test fluid at a particular pressure and entrained in a core sample enclosed in a test cylinder of an nmr pressure cell such that an annulus is defined between the core sample and the test cylinder; deconvolving the nmr spectrum signal into a first nmr spectrum signal portion that is associated with a first portion of the test fluid in the annulus and a second nmr spectrum signal portion that is associated with a second portion of the test fluid entrained in the core sample; and determining a mass of the second portion of the test fluid based at least in part on the first and second nmr spectrum signals.
Inventor(s): Abderrahim Fakiri of Dhahran (SA) for saudi arabian oil company, Md Anwar Parvez of Dhahran (SA) for saudi arabian oil company, Gusai H. AlAithan of Dhahran (SA) for saudi arabian oil company
IPC Code(s): F16L9/12, B29C70/16, B29C70/30, B29K63/00, B29K309/08, B29L23/00, B32B1/08, B32B5/02, B32B27/12, B32B27/40, B32B37/15, C03C25/36, F16L57/06, F16L58/00
CPC Code(s): F16L9/121
Abstract: this disclosure describes a reinforced thermosetting resin piping system that is protected from external impact and uv damage by an outer polyurea-based layer. the embodiments described herein can be favorably used for underground and aboveground applications. in some implementations, an rtr pipe includes a core layer that includes a resin and fibers, an outer layer that includes a polyurea-based layer, and an interface layer between the core layer and the outer layer. the methods described herein also outline the process of producing the pipe structure.
Inventor(s): Thibault Villette of Belfort (FR) for saudi arabian oil company, Abderrazak Traidia of Lussan (FR) for saudi arabian oil company, Abdullah Al Shahrani of Dammam (SA) for saudi arabian oil company
IPC Code(s): F16L47/02, B29C65/32, F16L47/10
CPC Code(s): F16L47/02
Abstract: a system and method for automatically jointing of reinforced thermosetting resin (rtr) pipes. for example, an automated installation of rtr joints system may have an inductor and a pig for automated in-field installation of rtr pipes. the inductor may be fitted on an outside of rtr joint. additionally, the pig may be inserted inside the pipeline and remotely controlled to assist operators during the alignment of the pipes and subsequent joint making/welding. through the successive inflation and deflation of pneumatic wheels placed along the pig, the pig may autonomously move inside the rtr pipeline (from one rtr joint to the other) during the installation, while also be used to apply internal pressure at specific locations of the pipe, as needed, during installation.
Inventor(s): Shadi Mohammed AL-HAZMI of Dhahran (SA) for saudi arabian oil company, Mohannad Marie AL-SHAHRANI of Dhahran (SA) for saudi arabian oil company, Hadi Abdulrahman AL-SHEHRI of Dhahran (SA) for saudi arabian oil company, Ahmad Mohammad AL-AHDAL of Dhahran (SA) for saudi arabian oil company
IPC Code(s): F23N1/00, G01F1/42, G01F15/14, G05D7/06
CPC Code(s): F23N1/002
Abstract: a variable orifice flow meter system includes a housing defining a flow passage and at least one plate extending into the flow passage and defining an orifice. the at least one plate is movably supported such that a size of the orifice may be adjusted. upstream and downstream pressure sensors may measure fluid pressures upstream and downstream of the orifice and a drive mechanism may move the at least one plate. a controller may instruct the drive mechanism to move the at least one the plate such that a predetermined orifice size is defined in response to detecting an upstream pressure within a predetermined pressure range, determine a pressure differential across the orifice and calculate a flow rate through the flow passage based on the pressure differential when the pressure differential meets a predetermined threshold.
Inventor(s): Mamdouh Hassan Hadi of Dhahran (SA) for saudi arabian oil company
IPC Code(s): G01N25/72, F17D5/00
CPC Code(s): G01N25/72
Abstract: a method for detecting a scaled area of a pipeline is disclosed. the method includes scanning, using a thermal camera, a surface area of the pipeline in an offline status to determine that surface temperature is within a pre-determined range of ambient temperature, starting up fluid flow of the pipeline upon determination that the surface temperature is within the pre-determined range, further scanning, using the thermal camera and subsequent to starting up the fluid flow, the surface area of the pipeline to determine that at least one location of the surface area, and not an entirety of the surface area, is within a pre-determined range of an operating surface temperature of the pipeline, detecting, in response to the further scanning, a low temperature portion of the surface area, and classifying the lower temperature portion of the surface area as a scaled area.
Inventor(s): Marcin Szymon Dukalski of Delft (NL) for saudi arabian oil company
IPC Code(s): G01V1/30, E21B41/00, E21B44/00, E21B49/00
CPC Code(s): G01V1/307
Abstract: examples of methods and systems for determining a true absolute-amplitude seismic dataset are disclosed. the methods include obtaining an observed seismic dataset, where the observed seismic dataset includes observed seismic traces containing primary reflections and multiple reflections, and selecting a primary-free time window of the observed seismic traces that contains only observed multiple reflections. the methods further include, using a seismic processing system, determining output seismic traces within the primary-free time window using a multiple prediction method, where determining output seismic traces include determining a scalar multiplier based, at least in part, on the output seismic traces, and determining the true absolute-amplitude seismic dataset based, at least in part, on the observed seismic dataset and the scalar multiplier.
Inventor(s): Marcin Szymon Dukalski of Delft (NL) for saudi arabian oil company
IPC Code(s): G01V1/34, E21B44/00, E21B49/00, G01V1/36
CPC Code(s): G01V1/345
Abstract: a system and method are disclosed for determining an internal multiples-free seismic dataset. the method includes obtaining a seismic dataset, wherein the seismic dataset comprises a plurality of space-time gathers, determining a first truncation operator, wherein the first truncation operator mutes samples of each trace after a first predetermined intercept time in a transform domain, and determining a second truncation operator, wherein the second truncation operator mutes samples of each trace before a second predetermined intercept time in the transform domain. the method further includes applying marchenko internal multiple attenuation on the seismic dataset using the first and second truncation operators to determine the internal multiples-free seismic dataset.
Inventor(s): Klemens Katterbauer of Dhahran (SA) for saudi arabian oil company, Abdallah A. Alshehri of Dhahran (SA) for saudi arabian oil company, Alberto Marsala of Venezia (IT) for saudi arabian oil company, Ali Abdallah Alyousef of Dhahran (SA) for saudi arabian oil company
IPC Code(s): G01V1/48, E21B7/04, G01V1/46
CPC Code(s): G01V1/48
Abstract: systems and methods for geosteering using improved data conditioning are disclosed. the methods include estimating physical parameters from a training dataset including remote sensing data; preprocessing the estimated physical parameters; training a first neural network; training a second neural network; training a third neural network; converting estimated physical parameters into the rock characteristics with the first neural network; and converting rock characteristics into reconciled physical parameters with the second neural network. the methods further include obtaining new remote sensing data; estimating new estimated physical parameters from the new remote sensing data; converting new estimated physical parameters into new reconciled physical parameters with the third neural network; and performing geosteering of a well based on a subsurface geology interpreted from the new reconciled physical parameters.
Inventor(s): Hsieh Chen of Cambridge MA (US) for saudi arabian oil company, Martin E. Poitzsch of Cambridge MA (US) for saudi arabian oil company
IPC Code(s): G01V20/00, E21B43/08, E21B47/002, E21B47/113, G01V3/26, G01V3/38, G06F30/20, G06F111/10, G06F113/08
CPC Code(s): G01V20/00
Abstract: a method for monitoring waterfront movement in a subsurface formation involves performing forward modeling of at least one deep electromagnetic survey of the waterfront movement, and determining locations for installing an electrically insulating spacer between well liners to form an on-demand electromagnetic source electrode. based on the forward modeling, repeat survey time intervals are predicted. the method involves, during well completion, installing the electrically insulating spacer between the well liners in a reservoir to form at least one on-demand electromagnetic source electrode, and installing the electrically insulating spacer between the plurality of well liners in a reservoir to form an on-demand electromagnetic receiver electrode. a waterfront survey is performed by conveying a production logging tool into a well that temporarily converts the well liners into an on-demand electromagnetic source electrode and an on-demand receiver electrode, and inverse modeling of the waterfront survey is performed to produce a water saturation image.
Inventor(s): Hyung Tae Kwak of Dhahran (SA) for saudi arabian oil company, Dong Kyu Cha of Dhahran (SA) for saudi arabian oil company, Moataz Abu AlSaud of Khobar (SA) for saudi arabian oil company, Muhammad M. Almajid of Qatif (SA) for saudi arabian oil company, Tareq Ghamdi of Dhahran (SA) for saudi arabian oil company, Mohammed Abbad of Dhahran (SA) for saudi arabian oil company, Atul Godbole of Dhahran (SA) for saudi arabian oil company, Naif J. Alqahtani of Dhahran (SA) for saudi arabian oil company
IPC Code(s): G06V20/70, G06F16/583, G06V10/74, G06V10/82
CPC Code(s): G06V20/70
Abstract: a method and system for labeling and identifying a sample, including a rock core sample, after determining a physical primary label has been compromised is provided. the method includes labeling the sample by placing a physical primary label on the sample or sample container, creating a first rollout image of the sample for a secondary label, and storing the first rollout image in a secondary label digital database with a sample identifier. the method continues for identifying the sample after determining the physical primary label has been compromised by creating a secondary rollout image of the sample and searching the secondary label digital database using the second rollout image to create a plurality of matching scores using a machine learning or deep learning image matching technique. the matching scores are then evaluated to determine an identify of a sample and the sample is re-labelled using a replacement primary label.
Saudi Arabian Oil Company patent applications on August 1st, 2024
- Saudi Arabian Oil Company
- B01D53/14
- B01D53/18
- B01D53/26
- CPC B01D53/1425
- Saudi arabian oil company
- B04B13/00
- B01D21/26
- B01D21/34
- B04B9/10
- E21B21/06
- CPC B04B13/00
- B64U80/25
- B64F1/36
- B64U70/95
- B64U70/99
- CPC B64U80/25
- E03B3/28
- B01D15/26
- E04D1/02
- CPC E03B3/28
- E21B7/06
- E21B29/06
- E21B34/02
- E21B34/10
- CPC E21B7/061
- E21B33/05
- CPC E21B33/05
- E21B33/12
- E21B33/16
- E21B47/06
- E21B47/117
- CPC E21B33/12
- E21B33/134
- E21B29/00
- CPC E21B33/134
- E21B34/16
- E21B47/12
- CPC E21B34/16
- E21B41/02
- E21B41/00
- CPC E21B41/02
- E21B43/12
- E21B43/14
- CPC E21B43/12
- E21B43/16
- CPC E21B43/16
- E21B44/00
- E21B21/08
- CPC E21B44/00
- E21B47/07
- G06N3/08
- CPC E21B47/07
- CPC E21B47/12
- E21B49/08
- G01N24/08
- G01R33/46
- CPC E21B49/088
- F16L9/12
- B29C70/16
- B29C70/30
- B29K63/00
- B29K309/08
- B29L23/00
- B32B1/08
- B32B5/02
- B32B27/12
- B32B27/40
- B32B37/15
- C03C25/36
- F16L57/06
- F16L58/00
- CPC F16L9/121
- F16L47/02
- B29C65/32
- F16L47/10
- CPC F16L47/02
- F23N1/00
- G01F1/42
- G01F15/14
- G05D7/06
- CPC F23N1/002
- G01N25/72
- F17D5/00
- CPC G01N25/72
- G01V1/30
- E21B49/00
- CPC G01V1/307
- G01V1/34
- G01V1/36
- CPC G01V1/345
- G01V1/48
- E21B7/04
- G01V1/46
- CPC G01V1/48
- G01V20/00
- E21B43/08
- E21B47/002
- E21B47/113
- G01V3/26
- G01V3/38
- G06F30/20
- G06F111/10
- G06F113/08
- CPC G01V20/00
- G06V20/70
- G06F16/583
- G06V10/74
- G06V10/82
- CPC G06V20/70
