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Category:E21B17/042
Subcategories
This category has the following 6 subcategories, out of 6 total.
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Pages in category "E21B17/042"
The following 9 pages are in this category, out of 9 total.
1
- 18076205. Threaded and Coupled Connection simplified abstract (SAUDI ARABIAN OIL COMPANY)
- 18184041. THREAD FORM FOR DRILL BIT APPLICATION simplified abstract (Schlumberger Technology Corporation)
- 18236838. COMPRESSIBLE SLEEVES, MAGNETIC ASSEMBLIES, AND METHODS TO RESTRAIN A COMPONENT OF A DOWNHOLE TOOL (Halliburton Energy Services, Inc.)
- 18718716. SNAP LATCH OR COLLET PROFILE (Schlumberger Technology Corporation)
- 18730044. OIL-WELL METAL PIPE (NIPPON STEEL CORPORATION)