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2025
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G/S
|
Milling machines; wellbore fishing tools in the nature of
overshots for use in the retrieval of ... |
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G/S
|
Milling machines; Milling cutters being parts of machines; Milling machines for metalworking; Mil... |
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G/S
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Milling and cutting inserts being parts of machines for use
in oil and gas industry; milling and... |
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G/S
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Wellhead retrieval system for use in oil and gas industry
consisting of a wellhead spear, pipe c... |
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G/S
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Pulling machine for use in oil and gas industry, namely
hydraulic pulling tool designed to retri... |
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G/S
|
Downhole tools for use in oil and gas wells, namely,
underreamers; high ratio underreamer for us... |
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G/S
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Downhole tools for use in oil and gas wells, namely,
cutters, pipe cutters, spears, and hydrauli... |
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G/S
|
Portable electromagnetic device for inspection of drill pipes and tubulars; Apparatus and instrum... |
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G/S
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Downhole power tools, namely whipstocks, mills, packers and
anchors, for cutting windows in casi... |
|
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G/S
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Providing on-line non-downloadable software for tubular management in the field of oil and gas dr... |
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G/S
|
Metal drill collars; metal drill pipes; metal tubulars for use in oil and gas wells; and metal ca... |
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G/S
|
Downloadable and recorded software for use in evaluating,
analyzing, and collecting service data... |
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G/S
|
Metal drill collars; metal drill pipes; metal tubulars for
use in oil and gas wells; and metal c... |
|
|
G/S
|
Milling machines; Wellbore fishing tools in the nature of overshots for use in the retrieval of c... |
|
|
G/S
|
Power tools, namely, whipstocks, mills, and anchors for use downhole in oil and gas wells |
|
2024
|
G/S
|
Metal drill pipes for use in well boring; Drill stem members for use in rotary well boring, namel... |
|
|
G/S
|
Pulling machine for use in oil and gas industry, namely hydraulic pulling tool designed to retrie... |
|
|
G/S
|
Wellhead retrieval system for use in oil and gas industry consisting of a wellhead spear, pipe cu... |
|
|
G/S
|
Downhole tools for use in oil and gas wells, namely, high-expansion section mill used in plug and... |
|
|
G/S
|
Milling and cutting inserts being parts of machines for use in oil and gas industry; Milling and ... |
|
|
G/S
|
Downhole tools for use in oil and gas wells, namely, cutters, pipe cutters, spears, and hydraulic... |
|
|
G/S
|
Downhole tools for use in oil and gas wells, namely, underreamers; high ratio underreamer for use... |
|
|
G/S
|
Downhole power tools, namely whipstocks, mills, packers and anchors, for cutting windows in casin... |
|
|
G/S
|
Downloadable and recorded software for use in evaluating, analyzing, and collecting service data ... |
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G/S
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Data automation and collection service using proprietary software to evaluate, analyze, simulate,... |
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Invention
|
Wellbore cleaning tools.
A downhole magnetic tool for use in a wellbore includes a mandrel and a... |
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2022
|
Invention
|
Flow diversion valve for downtool tool assembly. A casing removal system includes a flow diversio... |
|
2021
|
Invention
|
Flow diversion valve for downhole tool assembly. A casing removal system includes a flow diversio... |
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|
Invention
|
One trip bottom hole assembly and method for milling casing and directionally drilling a lateral ... |
|
|
Invention
|
Patch for joining downhole ends of pipes. A downhole tool for joining a string of pipe to a tubul... |
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2020
|
Invention
|
Use of rotary cutting elements in downhole milling.
A milling tool includes a milling arm with a... |
|
|
Invention
|
Flow diversion valve for downhole tool assembly.
A casing removal system includes a flow diversi... |
|
|
Invention
|
Intelligent control of drill pipe torque.
Tools and method for automatically controlling torque ... |
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|
Invention
|
Milling tools with a secondary attrition system. Milling systems, tools, and methods include usin... |
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2018
|
Invention
|
Single-trip casing cutting and bridge plug setting.
A downhole tool includes a section mill, a b... |
|
2017
|
Invention
|
Downhole milling cutting structures. Systems, tools, and methods include using a milling assembly... |
|
2016
|
Invention
|
Rotary milling tool. A downhole rotary tool for comminuting tubing in a borehole comprises a tool... |
|
|
Invention
|
Downhole tool for removing a casing portion. A packoff device is disclosed for sealing an annulus... |
|
|
Invention
|
Thru-casing section mill. A milling tool includes a cutting block in a recess in a tool body. The... |
|
|
Invention
|
Removing a casing section in a wellbore. Methods and tools for cutting a component in a wellbore ... |
|
|
Invention
|
Intelligent control of drill pipe torque. Tools and method for automatically controlling torque w... |
|
|
Invention
|
Downhole cutting tool.
A rotary tool for milling tubing in a borehole comprises at least one cut... |
|
|
Invention
|
Extended duration section mill and methods of use. A section mill for removing a portion of a cas... |
|
|
Invention
|
Millable bit to whipstock connector. A departure device couples to a bit using a connector that f... |
|
|
Invention
|
Downhole tool management system.
A method for managing downhole tool assets includes acquiring d... |
|
|
Invention
|
Multi-cycle pipe cutter and related methods. A downhole cutting tool includes a tool body and a p... |
|
|
Invention
|
Mill catch mechanism. Systems, tools, and methods include using a milling assembly with a catch m... |
|
|
Invention
|
Milling wellbore casing. A cutting insert for milling wellbore casing in a downhole environment i... |
|
2015
|
Invention
|
Balancing load on milling cutting elements. A cutting apparatus and method to facilitate milling ... |
|
|
Invention
|
Cutting elements and bits for sidetracking. A cutting element for use with a bit may include an o... |
|
|
Invention
|
Thru-casing milling. A section milling device may include a plurality of rotatable arms that each... |
|
|
Invention
|
Dual string section mill. A dual string section milling tool includes a cutting block deployed in... |
|
|
Invention
|
Cutting insert for initiating a cutout. A milling tool includes a cutting insert coupled to a mov... |
|
|
Invention
|
Testing of drill pipe inspection equipment. An equipment testing apparatus may include one or mor... |
|
|
Invention
|
Downhole tool with expandable stabilizer and underreamer. A downhole tool including a body couple... |
|
|
Invention
|
Heat treated heavy weight drill pipe. A heavy weight drill pipe may include a tube body formed of... |
|
|
Invention
|
Single-trip casing cutting and bridge plug setting. A downhole tool may include a bridge plug rel... |
|
|
Invention
|
Systems for forming lateral wellbores. Systems facilitate forming lateral wellbores by optionally... |
|
|
Invention
|
Multi-stage flow device. A multi-stage flow sub usable in wellbore operations provides for flow o... |
|
2014
|
Invention
|
Radially expandable stabilizer. A downhole tool includes a radial expansion assembly deployed abo... |
|
|
Invention
|
Mill with adjustable gauge diameter. Milling tools, systems, and assemblies may have an adjustabl... |
|
|
Invention
|
Cutting element for a downhole tool. A cutting element for a cutting tool. The cutting element ma... |
|
|
Invention
|
Cementing whipstock apparatus and methods. A system and method facilitate sidetracking by elimina... |
|
|
Invention
|
Sidetracking system and related methods. A steerable drill bit may be used to drill a lateral bor... |
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2013
|
Invention
|
Milling cutter having undulating chip breaker. A cutting element includes a front face and leadin... |
|
|
Invention
|
Coring bit to whipstock systems and methods. A coring system and method enable a single-trip oper... |
|
|
Invention
|
Wellhead latch and removal systems. A wellhead latch assembly may include one or more latches for... |
|
|
Invention
|
Friction welded heavy weight drill pipes. A heavy weight drill pipe for use in a downhole tool. T... |
|
|
Invention
|
System and method of cutting and removing casings from wellbore. A spearing device for removing c... |
|
2012
|
Invention
|
Extended whipstock and mill assembly. A cutting apparatus and method to facilitate milling of a c... |
|
2009
|
G/S
|
rental of drilling equipment, namely, drill pipe, drill collars and accessories; rental of pressu... |
|
1983
|
G/S
|
REPAIR AND MAINTENANCE OF OILFIELD DRILLING EQUIPMENT PROVIDING FIELD INSPECTION OF OIL FIELD DRI... |
|
1951
|
G/S
|
REPAIR, MAINTENANCE, AND SERVICING OF DRILL COLLARS |
