|
US2811210A
(en)
|
1954-08-19 |
1957-10-29 |
Burton A Guillot |
Casing scraper
|
|
US2857141A
(en)
|
1957-04-25 |
1958-10-21 |
Frank H Carpenter |
Well tool
|
|
US3737845A
(en)
|
1971-02-17 |
1973-06-05 |
H Maroney |
Subsurface well control apparatus and method
|
|
US4452307A
(en)
|
1980-06-09 |
1984-06-05 |
Horton Gary B |
Reamer
|
|
NL177243C
(nl)
|
1980-10-30 |
1985-08-16 |
Nick Koot |
Buisstuk voor een boorserie.
|
|
US4421182A
(en)
|
1982-03-16 |
1983-12-20 |
Moody Arlin R |
Combination clean-out and drilling tool
|
|
US4483394A
(en)
*
|
1982-11-01 |
1984-11-20 |
Dresser Industries, Inc. |
Hydraulic power unit for measurement while drilling apparatus
|
|
US4809779A
(en)
|
1987-12-03 |
1989-03-07 |
Vsesojuzny Nauchno-Issledovatelsky Institut Pokrepleniju Skvazhin I Burovym Rastvoram |
Arrangement for cleaning internal surface of casing strings
|
|
US4842062A
(en)
*
|
1988-02-05 |
1989-06-27 |
Weatherford U.S., Inc. |
Hydraulic lock alleviation device, well cementing stage tool, and related methods
|
|
GB9517829D0
(en)
|
1995-09-01 |
1995-11-01 |
Oiltools Int Bv |
Tool for cleaning or conditioning tubular structures such as well casings
|
|
EP0787888B1
(en)
|
1995-09-01 |
2005-03-02 |
National Oilwell (U.K.) Limited |
Circulating sub
|
|
US5730222A
(en)
|
1995-12-20 |
1998-03-24 |
Dowell, A Division Of Schlumberger Technology Corporation |
Downhole activated circulating sub
|
|
US5901796A
(en)
|
1997-02-03 |
1999-05-11 |
Specialty Tools Limited |
Circulating sub apparatus
|
|
US6209647B1
(en)
|
1997-02-21 |
2001-04-03 |
Billy L. Brown, Jr. |
Down hole casing string cleaning device and method
|
|
CA2221514C
(en)
|
1997-11-19 |
2004-05-18 |
Rg Industries Ltd. |
Method of preventing scrapers on a reciprocating sucker rod from wearing grooves in well tubing, and a scraper
|
|
US6189618B1
(en)
|
1998-04-20 |
2001-02-20 |
Weatherford/Lamb, Inc. |
Wellbore wash nozzle system
|
|
GB2373529B
(en)
|
1998-04-21 |
2002-12-31 |
Sps Afos Group Ltd |
Well clean-up tool with improved cleaning member
|
|
GB9902595D0
(en)
|
1999-02-08 |
1999-03-24 |
Specialised Petroleum Serv Ltd |
Apparatus with retractable cleaning members
|
|
WO2000065198A1
(en)
|
1999-04-27 |
2000-11-02 |
Stephen John Mcloughlin |
Apparatus and method for transmitting information to and communicating with a downhole device
|
|
US6349763B1
(en)
|
1999-08-20 |
2002-02-26 |
Halliburton Energy Services, Inc. |
Electrical surface activated downhole circulating sub
|
|
GB9921640D0
(en)
|
1999-09-15 |
1999-11-17 |
Specialised Petroleum Serv Ltd |
Wellhead cleanup tool
|
|
GB0002995D0
(en)
|
2000-02-10 |
2000-03-29 |
Specialised Petroleum Serv Ltd |
Downhole cleaning tool with shear clutch
|
|
US6394184B2
(en)
*
|
2000-02-15 |
2002-05-28 |
Exxonmobil Upstream Research Company |
Method and apparatus for stimulation of multiple formation intervals
|
|
GB0026460D0
(en)
|
2000-10-27 |
2000-12-13 |
Sps Afos Internat Branch Ltd |
Combined milling and scraping tool
|
|
GB0102485D0
(en)
|
2001-01-31 |
2001-03-14 |
Sps Afos Group Ltd |
Downhole Tool
|
|
GB2371818B
(en)
|
2001-02-06 |
2004-09-22 |
Ruff Pup Ltd |
A casing scraper
|
|
CN2521386Y
(zh)
|
2001-10-23 |
2002-11-20 |
贾广生 |
油田水井除垢器
|
|
GB0207851D0
(en)
|
2002-04-05 |
2002-05-15 |
Sps Afos Group Ltd |
Stabiliser jetting and circulating tool
|
|
GB0208673D0
(en)
|
2002-04-16 |
2002-05-29 |
Sps Afos Group Ltd |
Control sub
|
|
GB0220447D0
(en)
|
2002-09-03 |
2002-10-09 |
Lee Paul B |
Ball operated by-pass tool for use in drilling
|
|
GB0302121D0
(en)
|
2003-01-30 |
2003-03-05 |
Specialised Petroleum Serv Ltd |
Improved mechanism for actuation of a downhole tool
|
|
GB2428718B
(en)
|
2003-04-01 |
2007-08-29 |
Specialised Petroleum Serv Ltd |
Actuation Mechanism for Downhole tool
|
|
GB0312180D0
(en)
|
2003-05-28 |
2003-07-02 |
Specialised Petroleum Serv Ltd |
Drilling sub
|
|
US7231986B2
(en)
|
2003-09-15 |
2007-06-19 |
Schlumberger Technology Corporation |
Well tool protection system and method
|
|
US20050133220A1
(en)
|
2003-12-17 |
2005-06-23 |
Baker Hughes, Incorporated |
Downhole rotating tool
|
|
CA2499525C
(en)
|
2004-03-11 |
2012-11-27 |
Smith International, Inc. |
Casing brush assembly
|
|
CA2499532C
(en)
|
2004-03-11 |
2012-11-20 |
Smith International, Inc. |
Casing scraper
|
|
US7658241B2
(en)
|
2004-04-21 |
2010-02-09 |
Security Dbs Nv/Sa |
Underreaming and stabilizing tool and method for its use
|
|
GB0417732D0
(en)
|
2004-08-10 |
2004-09-08 |
Andergauge Ltd |
Downhole apparatus
|
|
US7348893B2
(en)
|
2004-12-22 |
2008-03-25 |
Schlumberger Technology Corporation |
Borehole communication and measurement system
|
|
US7983113B2
(en)
|
2005-03-29 |
2011-07-19 |
Baker Hughes Incorporated |
Method and apparatus for downlink communication using dynamic threshold values for detecting transmitted signals
|
|
US7518950B2
(en)
|
2005-03-29 |
2009-04-14 |
Baker Hughes Incorporated |
Method and apparatus for downlink communication
|
|
GB2426016A
(en)
|
2005-05-10 |
2006-11-15 |
Zeroth Technology Ltd |
Downhole tool having drive generating means
|
|
GB0513645D0
(en)
|
2005-07-02 |
2005-08-10 |
Specialised Petroleum Serv Ltd |
Wellbore cleaning method and apparatus
|
|
AU2006318890A1
(en)
|
2005-11-24 |
2007-05-31 |
Churchill Drilling Tools Limited |
Downhole tool
|
|
US7934559B2
(en)
|
2007-02-12 |
2011-05-03 |
Baker Hughes Incorporated |
Single cycle dart operated circulation sub
|
|
US7735581B2
(en)
|
2007-04-30 |
2010-06-15 |
Smith International, Inc. |
Locking clutch for downhole motor
|
|
US7766086B2
(en)
|
2007-06-08 |
2010-08-03 |
Bj Services Company Llc |
Fluid actuated circulating sub
|
|
GB2454450B
(en)
|
2007-09-04 |
2012-01-11 |
Weatherford Switzerland Trading And Dev Gmbh |
Downhole cleaning tool
|
|
US8141628B2
(en)
|
2007-12-31 |
2012-03-27 |
Precision Energy Services, Inc. |
Downhole deburring tool
|
|
GB0804306D0
(en)
|
2008-03-07 |
2008-04-16 |
Petrowell Ltd |
Device
|
|
BRPI0910881B1
(pt)
|
2008-04-18 |
2019-03-26 |
Dreco Energy Services Ltd. |
Aparelhos para perfurar e para controlar a velocidade rotacional de uma ferramenta de perfuração, e, método para perfurar.
|
|
US8540035B2
(en)
|
2008-05-05 |
2013-09-24 |
Weatherford/Lamb, Inc. |
Extendable cutting tools for use in a wellbore
|
|
AU2015252100A1
(en)
|
2008-05-05 |
2015-11-26 |
Weatherford Technology Holdings, Llc |
Signal operated tools for milling, drilling, and/or fishing operations
|
|
GB0814456D0
(en)
|
2008-08-07 |
2008-09-10 |
Specialised Petroleum Serv Ltd |
Drill string mounted rotatable tool and cleaning method
|
|
GB2476758A
(en)
|
2008-10-20 |
2011-07-06 |
Baker Hughes Inc |
Wellbore cleaning devices
|
|
GB2468271B
(en)
|
2008-11-28 |
2013-06-19 |
Intelligent Drilling Tools Ltd |
Disconnect device for downhole assembly
|
|
US8141627B2
(en)
|
2009-03-26 |
2012-03-27 |
Baker Hughes Incorporated |
Expandable mill and methods of use
|
|
US8905126B2
(en)
|
2009-03-26 |
2014-12-09 |
Baker Hughes Incorporated |
Expandable mill and methods of use
|
|
US9222336B2
(en)
|
2009-04-14 |
2015-12-29 |
Well Grounded Energy, LLC |
Devices, systems and methods relating to down hole operations
|
|
AU2010244947B2
(en)
|
2009-05-07 |
2015-05-07 |
Packers Plus Energy Services Inc. |
Sliding sleeve sub and method and apparatus for wellbore fluid treatment
|
|
GB0921440D0
(en)
|
2009-12-08 |
2010-01-20 |
Corpro Systems Ltd |
Apparatus and method
|
|
GB2479752B
(en)
|
2010-04-21 |
2016-04-13 |
Ind Brushware Ltd |
Pipe cleaning brush with spring mounted bristles
|
|
US8863843B2
(en)
|
2010-05-21 |
2014-10-21 |
Smith International, Inc. |
Hydraulic actuation of a downhole tool assembly
|
|
US8356671B2
(en)
|
2010-06-29 |
2013-01-22 |
Baker Hughes Incorporated |
Tool with multi-size ball seat having segmented arcuate ball support member
|
|
US20120048619A1
(en)
|
2010-08-26 |
2012-03-01 |
1473706 Alberta Ltd. |
System, method and apparatus for drilling agitator
|
|
US9382769B2
(en)
|
2011-01-21 |
2016-07-05 |
Weatherford Technology Holdings, Llc |
Telemetry operated circulation sub
|
|
CA2866189A1
(en)
|
2012-03-08 |
2013-09-12 |
Packers Plus Energy Services Inc. |
Toe circulation sub
|
|
US9109416B2
(en)
|
2012-03-23 |
2015-08-18 |
Baker Hughes Incorporated |
One trip tubular cleaning and drilling additional open hole
|
|
GB201205954D0
(en)
|
2012-04-03 |
2012-05-16 |
Cff Technologies Ltd |
Downhole actuator
|
|
US9435176B2
(en)
|
2012-10-26 |
2016-09-06 |
Weatherford Technology Holdings, Llc |
Deburring mill tool for wellbore cleaning
|
|
US10227826B2
(en)
|
2013-05-13 |
2019-03-12 |
Weatherford Technology Holdings, Llc |
Method and apparatus for operating a downhole tool
|
|
US9512696B2
(en)
|
2013-07-23 |
2016-12-06 |
Dennis Joel Penisson |
Non-rotating wellbore casing scraper
|
|
US10041333B2
(en)
|
2013-07-25 |
2018-08-07 |
Baker Hughes, A Ge Company, Llc |
One trip drill and casing scrape method and apparatus
|
|
US9500063B2
(en)
*
|
2013-08-09 |
2016-11-22 |
Tam International, Inc. |
Hydraulic cycle opening sleeve
|
|
US9631432B2
(en)
|
2013-10-18 |
2017-04-25 |
Schlumberger Technology Corporation |
Mud actuated drilling system
|
|
US10590724B2
(en)
|
2013-10-28 |
2020-03-17 |
Wellbore Integrity Solutions Llc |
Mill with adjustable gauge diameter
|
|
DK178108B1
(en)
|
2014-03-14 |
2015-05-26 |
Yellow Shark Holding Aps |
Activation mechanism for a downhole tool and a method thereof
|
|
GB2524788A
(en)
|
2014-04-02 |
2015-10-07 |
Odfjell Partners Invest Ltd |
Downhole cleaning apparatus
|
|
US10214980B2
(en)
|
2014-06-30 |
2019-02-26 |
Schlumberger Technology Corporation |
Measuring fluid properties in a downhole tool
|
|
GB2543237B
(en)
|
2014-09-23 |
2020-11-04 |
Halliburton Energy Services Inc |
Well construction real-time telemetry system
|
|
CN204571937U
(zh)
|
2015-04-09 |
2015-08-19 |
中国石油集团西部钻探工程有限公司 |
液压式刮壁器
|
|
DE112016003528T5
(de)
|
2015-08-03 |
2018-04-19 |
Halliburton Energy Services, Inc. |
Tellurisches Referenzieren zur Verbesserung der elektromagnetischen Telemetrie
|
|
GB201519684D0
(en)
|
2015-11-06 |
2015-12-23 |
Cutting & Wear Resistant Dev |
Circulation subassembly
|
|
CN205591887U
(zh)
|
2016-03-10 |
2016-09-21 |
宝鸡市奥通石油机械有限责任公司 |
一种刮刀可控多功能刮壁器
|
|
CN205823237U
(zh)
|
2016-06-13 |
2016-12-21 |
新疆如通石油技术服务有限公司 |
一种可控式胶塞刮壁器
|
|
US10989024B2
(en)
|
2016-12-28 |
2021-04-27 |
Halliburton Energy Services, Inc. |
Method and system for communication by controlling the flowrate of a fluid
|
|
CN110382817A
(zh)
|
2016-12-30 |
2019-10-25 |
美德龙技术有限公司 |
井下能量收集
|
|
CA3053421A1
(en)
|
2017-02-13 |
2018-08-16 |
Ncs Multistage Inc. |
System and method for wireless control of well bore equipment
|
|
CA3053667C
(en)
*
|
2017-02-22 |
2024-05-07 |
Interra Energy Services Ltd. |
Stored-energy pressure activated completion and testing tools and methods of use
|
|
BR112020006363B1
(pt)
*
|
2017-12-06 |
2023-05-02 |
Halliburton Energy Services Inc |
Método e sistema para executar operações de completação e produção de furo de poço em uma formação subterrânea
|
|
CA3075297C
(en)
|
2017-12-29 |
2023-03-28 |
Halliburton Energy Services, Inc. |
Electromagnetic telemetry using active electrodes
|
|
GB201802223D0
(en)
|
2018-02-12 |
2018-03-28 |
Odfjell Partners Invest Ltd |
Downhole cleaning apparatus
|
|
CA3050300A1
(en)
*
|
2018-07-20 |
2020-01-20 |
Kobold Corporation |
Mode selector for a downhole tool
|
|
GB2589269B
(en)
*
|
2021-02-01 |
2021-11-10 |
Viking Completion Tech Fzco |
Exercise tool
|
|
US11761280B2
(en)
*
|
2021-11-29 |
2023-09-19 |
Baker Hughes Oilfield Operations Llc |
Interlock for a downhole tool
|
|
US12006788B2
(en)
*
|
2022-02-04 |
2024-06-11 |
Halliburton Energy Services, Inc |
Passive pressure application and regulation of downhole hydraulic devices
|
|
CA3158008A1
(en)
*
|
2022-05-06 |
2023-11-06 |
David Dyck |
Stage tools, stage tool assemblies, cementing operations, and related methods of use
|