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2. Helmerich & Payne - Wikipedia

   en.wikipedia.org/wiki/Helmerich_&_Payne

   Helmerich & Payne Flex Rig drilling the Bakken. Helmerich & Payne, Inc. (/ ˈ h ɛ l m r ɪ k / HELM-rik) is an American petroleum contract drilling company engaged in oil and gas well drilling and related services for exploration and production companies [2] headquartered in Tulsa, Oklahoma, with operations throughout the world.

3. Precision Drilling - Wikipedia

   en.wikipedia.org/wiki/Precision_Drilling

   Precision Drilling Ltd. was founded in 1951. [3] In 1987, Precision Drilling was acquired by Cypress Drilling, led by president Hank Swartout, in a reverse takeover which left the company with a fleet of 19 rigs. [4] Swartout led the company through extensive growth until his retirement in 2007. [5]

4. Machinist - Wikipedia

   en.wikipedia.org/wiki/Machinist

   A competent machinist should have a well-developed mechanical aptitude, the ability to correctly use precision measuring instruments and to interpret blueprints, and a working knowledge of the proper parameters required for successfully utilizing the various tools commonly used in machining operations. CNC (computer numerical control) is the ...

5. Patterson-UTI - Wikipedia

   en.wikipedia.org/wiki/Patterson-UTI

   Patterson Drilling Company was founded in 1978 by Cloyce Talbott and Glenn Patterson. [1] UTI Energy was formed in 1986 to purchase Universal Well Services, Union Supply Company, Triad Drilling Company, and International Petroleum Services Company. In 2001, Patterson Drilling acquired UTI Energy and renamed the company Patterson-UTI Energy. [3]

6. Dormer Pramet - Wikipedia

   en.wikipedia.org/wiki/Dormer_Pramet

   Dormer Pramet is a global manufacturer and supplier of cutting tools for the engineering industry, including drilling, milling, threading and turning tools. Its origins date back to 1913, making it one of the world's oldest specialist manufacturers of engineers cutting tools.

7. Reamer - Wikipedia

   en.wikipedia.org/wiki/Reamer

   The geometry of a hole drilled in metal by a twist drill may not be accurate enough (close enough to a true cylinder of a certain precise diameter) and may not have the required smooth surface finish for certain engineering applications. Although modern twist drills can perform excellently in many cases—usually producing sufficiently accurate ...

8. Drilling - Wikipedia

   en.wikipedia.org/wiki/Drilling

   Titanium drilling. Drilling is a cutting process where a drill bit is spun to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute.

9. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   Hole drilling progress is greatly superior to cam-type hammer drills, and these drills are generally used for holes of 19 mm (3/4 inch) or greater in size. A typical application for a rotary hammer drill is boring large holes for lag bolts in foundations, or installing large lead anchors in concrete for handrails or benches.