BR112014012894A2 - aparelho para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água e método para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água - Google Patents
aparelho para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água e método para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou águaInfo
- Publication number
- BR112014012894A2 BR112014012894A2 BR112014012894A BR112014012894A BR112014012894A2 BR 112014012894 A2 BR112014012894 A2 BR 112014012894A2 BR 112014012894 A BR112014012894 A BR 112014012894A BR 112014012894 A BR112014012894 A BR 112014012894A BR 112014012894 A2 BR112014012894 A2 BR 112014012894A2
- Authority
- BR
- Brazil
- Prior art keywords
- oil
- controlling
- gas
- water well
- downhole device
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/005—Below-ground automatic control systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
- E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Transmission Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Actuator (AREA)
- Hydraulic Motors (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Manipulator (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1120448.4A GB201120448D0 (en) | 2011-11-28 | 2011-11-28 | Apparatus and method |
GB1120448.4 | 2011-11-28 | ||
PCT/GB2012/052928 WO2013079929A2 (en) | 2011-11-28 | 2012-11-28 | Apparatus and method for controlling a downhole device |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112014012894A2 true BR112014012894A2 (pt) | 2017-06-13 |
BR112014012894B1 BR112014012894B1 (pt) | 2021-05-25 |
Family
ID=45508831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014012894-4A BR112014012894B1 (pt) | 2011-11-28 | 2012-11-28 | aparelho para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água e método para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água |
Country Status (11)
Country | Link |
---|---|
US (1) | US9683434B2 (pt) |
EP (1) | EP2785957B1 (pt) |
CN (1) | CN104053854B (pt) |
AU (1) | AU2012343563C1 (pt) |
BR (1) | BR112014012894B1 (pt) |
CA (1) | CA2856979C (pt) |
GB (1) | GB201120448D0 (pt) |
HK (1) | HK1201310A1 (pt) |
MX (1) | MX350085B (pt) |
RU (1) | RU2587657C2 (pt) |
WO (1) | WO2013079929A2 (pt) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201120448D0 (en) * | 2011-11-28 | 2012-01-11 | Oilsco Technologies Ltd | Apparatus and method |
GB2508710B (en) * | 2012-10-16 | 2015-05-27 | Petrowell Ltd | Flow control assembly |
WO2014100276A1 (en) | 2012-12-19 | 2014-06-26 | Exxonmobil Upstream Research Company | Electro-acoustic transmission of data along a wellbore |
WO2014100272A1 (en) | 2012-12-19 | 2014-06-26 | Exxonmobil Upstream Research Company | Apparatus and method for monitoring fluid flow in a wellbore using acoustic signals |
US20150300159A1 (en) | 2012-12-19 | 2015-10-22 | David A. Stiles | Apparatus and Method for Evaluating Cement Integrity in a Wellbore Using Acoustic Telemetry |
WO2014100274A1 (en) | 2012-12-19 | 2014-06-26 | Exxonmobil Upstream Research Company | Apparatus and method for detecting fracture geometry using acoustic telemetry |
WO2014100262A1 (en) | 2012-12-19 | 2014-06-26 | Exxonmobil Upstream Research Company | Telemetry for wireless electro-acoustical transmission of data along a wellbore |
US10100635B2 (en) | 2012-12-19 | 2018-10-16 | Exxonmobil Upstream Research Company | Wired and wireless downhole telemetry using a logging tool |
US9255456B2 (en) * | 2013-03-07 | 2016-02-09 | Robert W. Evans | Method and apparatus for improving the efficiency of a positive displacement motor for drilling and oil or gas well |
GB2514170A (en) * | 2013-05-16 | 2014-11-19 | Oilsco Technologies Ltd | Apparatus and method for controlling a downhole device |
GB2535334A (en) * | 2013-10-22 | 2016-08-17 | Halliburton Energy Services Inc | Hydraulic control of drill string tools |
US10435969B2 (en) * | 2013-10-31 | 2019-10-08 | Halliburton Energy Services, Inc. | Hydraulic control of borehole tool deployment |
WO2015080754A1 (en) | 2013-11-26 | 2015-06-04 | Exxonmobil Upstream Research Company | Remotely actuated screenout relief valves and systems and methods including the same |
DE112014006525T5 (de) * | 2014-06-30 | 2016-12-15 | Halliburton Energy Services, Inc. | Bohrfluidströmungsumleitung |
CA2955381C (en) | 2014-09-12 | 2022-03-22 | Exxonmobil Upstream Research Company | Discrete wellbore devices, hydrocarbon wells including a downhole communication network and the discrete wellbore devices and systems and methods including the same |
EP3029265A1 (en) * | 2014-12-01 | 2016-06-08 | Welltec A/S | Downhole completion system |
CN104499987A (zh) * | 2014-12-10 | 2015-04-08 | 宝鸡瑞通石油装备有限公司 | 新型全流通面积滑套开关 |
US9863222B2 (en) | 2015-01-19 | 2018-01-09 | Exxonmobil Upstream Research Company | System and method for monitoring fluid flow in a wellbore using acoustic telemetry |
US10408047B2 (en) | 2015-01-26 | 2019-09-10 | Exxonmobil Upstream Research Company | Real-time well surveillance using a wireless network and an in-wellbore tool |
GB2535509A (en) | 2015-02-19 | 2016-08-24 | Nov Downhole Eurasia Ltd | Selective downhole actuator |
US10590759B2 (en) | 2016-08-30 | 2020-03-17 | Exxonmobil Upstream Research Company | Zonal isolation devices including sensing and wireless telemetry and methods of utilizing the same |
US10526888B2 (en) | 2016-08-30 | 2020-01-07 | Exxonmobil Upstream Research Company | Downhole multiphase flow sensing methods |
US10344583B2 (en) | 2016-08-30 | 2019-07-09 | Exxonmobil Upstream Research Company | Acoustic housing for tubulars |
US10364669B2 (en) | 2016-08-30 | 2019-07-30 | Exxonmobil Upstream Research Company | Methods of acoustically communicating and wells that utilize the methods |
US10697287B2 (en) | 2016-08-30 | 2020-06-30 | Exxonmobil Upstream Research Company | Plunger lift monitoring via a downhole wireless network field |
US10487647B2 (en) | 2016-08-30 | 2019-11-26 | Exxonmobil Upstream Research Company | Hybrid downhole acoustic wireless network |
US10465505B2 (en) | 2016-08-30 | 2019-11-05 | Exxonmobil Upstream Research Company | Reservoir formation characterization using a downhole wireless network |
US10415376B2 (en) | 2016-08-30 | 2019-09-17 | Exxonmobil Upstream Research Company | Dual transducer communications node for downhole acoustic wireless networks and method employing same |
EP3504398A4 (en) * | 2016-11-15 | 2019-09-04 | Halliburton Energy Services, Inc. | SYSTEM AND METHOD FOR CRUSHING UP DOWN |
CN106761556B (zh) * | 2016-12-01 | 2018-10-19 | 孙东生 | 一种水路转换开关及封隔器控制装置 |
CA3059913A1 (en) | 2017-04-14 | 2018-10-18 | Turbo Drill Industries, Inc. | Downhole tool actuators and indexing mechanisms |
US11268347B2 (en) * | 2017-07-24 | 2022-03-08 | National Oilwell Varco, L.P. | Testable sliding sleeve valve |
US10883363B2 (en) | 2017-10-13 | 2021-01-05 | Exxonmobil Upstream Research Company | Method and system for performing communications using aliasing |
US10697288B2 (en) | 2017-10-13 | 2020-06-30 | Exxonmobil Upstream Research Company | Dual transducer communications node including piezo pre-tensioning for acoustic wireless networks and method employing same |
US11035226B2 (en) | 2017-10-13 | 2021-06-15 | Exxomobil Upstream Research Company | Method and system for performing operations with communications |
US10771326B2 (en) | 2017-10-13 | 2020-09-08 | Exxonmobil Upstream Research Company | Method and system for performing operations using communications |
CN111201727B (zh) | 2017-10-13 | 2021-09-03 | 埃克森美孚上游研究公司 | 利用混合通信网络进行烃操作的方法和*** |
US10837276B2 (en) | 2017-10-13 | 2020-11-17 | Exxonmobil Upstream Research Company | Method and system for performing wireless ultrasonic communications along a drilling string |
AU2018367388C1 (en) | 2017-11-17 | 2022-04-14 | Exxonmobil Upstream Research Company | Method and system for performing wireless ultrasonic communications along tubular members |
US10690794B2 (en) | 2017-11-17 | 2020-06-23 | Exxonmobil Upstream Research Company | Method and system for performing operations using communications for a hydrocarbon system |
US12000273B2 (en) | 2017-11-17 | 2024-06-04 | ExxonMobil Technology and Engineering Company | Method and system for performing hydrocarbon operations using communications associated with completions |
US10844708B2 (en) | 2017-12-20 | 2020-11-24 | Exxonmobil Upstream Research Company | Energy efficient method of retrieving wireless networked sensor data |
US11156081B2 (en) | 2017-12-29 | 2021-10-26 | Exxonmobil Upstream Research Company | Methods and systems for operating and maintaining a downhole wireless network |
US11313215B2 (en) | 2017-12-29 | 2022-04-26 | Exxonmobil Upstream Research Company | Methods and systems for monitoring and optimizing reservoir stimulation operations |
AU2019217444C1 (en) | 2018-02-08 | 2022-01-27 | Exxonmobil Upstream Research Company | Methods of network peer identification and self-organization using unique tonal signatures and wells that use the methods |
US11268378B2 (en) | 2018-02-09 | 2022-03-08 | Exxonmobil Upstream Research Company | Downhole wireless communication node and sensor/tools interface |
CN109236234B (zh) * | 2018-08-31 | 2020-10-27 | 中国海洋石油集团有限公司 | 用于遥控配产控制各油层产量的机械开度阀及其控制方法 |
CN109236235A (zh) * | 2018-09-06 | 2019-01-18 | 中国海洋石油集团有限公司 | 一种液压滑套 |
US11952886B2 (en) | 2018-12-19 | 2024-04-09 | ExxonMobil Technology and Engineering Company | Method and system for monitoring sand production through acoustic wireless sensor network |
US11293280B2 (en) | 2018-12-19 | 2022-04-05 | Exxonmobil Upstream Research Company | Method and system for monitoring post-stimulation operations through acoustic wireless sensor network |
WO2020227025A1 (en) * | 2019-05-03 | 2020-11-12 | Schlumberger Technology Corporation | Indexing mechanisms |
US11078780B2 (en) | 2019-12-19 | 2021-08-03 | Saudi Arabian Oil Company | Systems and methods for actuating downhole devices and enabling drilling workflows from the surface |
US11686196B2 (en) | 2019-12-19 | 2023-06-27 | Saudi Arabian Oil Company | Downhole actuation system and methods with dissolvable ball bearing |
US11230918B2 (en) * | 2019-12-19 | 2022-01-25 | Saudi Arabian Oil Company | Systems and methods for controlled release of sensor swarms downhole |
US11624265B1 (en) | 2021-11-12 | 2023-04-11 | Saudi Arabian Oil Company | Cutting pipes in wellbores using downhole autonomous jet cutting tools |
GB2608480B (en) | 2022-01-25 | 2024-05-29 | Nxg Tech Limited | Apparatus for controlling a downhole device |
US11906058B2 (en) | 2022-02-22 | 2024-02-20 | Baker Hughes Oilfield Operations Llc | Rotary valve and system |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3024845A (en) * | 1957-10-01 | 1962-03-13 | Baker Oil Tools Inc | Apparatus for setting packers in well bores |
US3519075A (en) * | 1968-02-26 | 1970-07-07 | Schlumberger Technology Corp | Formation tester |
US3735827A (en) * | 1972-03-15 | 1973-05-29 | Baker Oil Tools Inc | Down-hole adjustable hydraulic fishing jar |
US3831677A (en) * | 1972-11-24 | 1974-08-27 | Schlumberger Technology Corp | Retainer packer with improved valve system |
US3797591A (en) * | 1973-02-06 | 1974-03-19 | Baker Oil Tools Inc | Trigger mechanism for down-hole adjustable hydraulic fishing jar |
US4355685A (en) * | 1980-05-22 | 1982-10-26 | Halliburton Services | Ball operated J-slot |
US4491187A (en) * | 1982-06-01 | 1985-01-01 | Russell Larry R | Surface controlled auxiliary blade stabilizer |
US4650001A (en) * | 1985-11-12 | 1987-03-17 | Halliburton Company | Assembly for reducing the force applied to a slot and lug guide |
SU1716099A1 (ru) * | 1989-07-26 | 1992-02-28 | Северо-Кавказский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности | Глубинный клапан |
GB9021488D0 (en) * | 1990-10-03 | 1990-11-14 | Exploration & Prod Serv | Drill test tools |
AU5681998A (en) * | 1997-01-22 | 1998-08-07 | Johannes Wilhelmus Henricus Van Den Bergh | Apparatus for directing and steering the foremost part of a drillpipe at drillings |
US5890542A (en) * | 1997-04-01 | 1999-04-06 | Halliburton Energy Services, Inc. | Apparatus for early evaluation formation testing |
US6227298B1 (en) * | 1997-12-15 | 2001-05-08 | Schlumberger Technology Corp. | Well isolation system |
GB2381550B (en) * | 1998-10-30 | 2003-06-18 | Smith International | Fluid flow control devices and methods for selective actuation of valves and hydraulic drilling tools |
US6352119B1 (en) * | 2000-05-12 | 2002-03-05 | Schlumberger Technology Corp. | Completion valve assembly |
US6883612B2 (en) * | 2003-01-17 | 2005-04-26 | Weatherford/Lamb, Inc. | Rod pump |
RU2257448C1 (ru) * | 2004-01-05 | 2005-07-27 | Институт горного дела Сибирского отделения Российской Академии наук (статус государственного учреждения) | Реверсивный пневмопробойник (варианты) |
CN2833097Y (zh) * | 2005-07-26 | 2006-11-01 | 阜新市石油工具厂 | 内封闭找堵水顺序开关 |
CN2854065Y (zh) * | 2005-10-12 | 2007-01-03 | 陆华飞 | 液控找堵水开关器 |
RU77635U1 (ru) * | 2008-05-26 | 2008-10-27 | Общество с ограниченной ответственностью "Научно-производственная фирма Завод "Измерон" | Устройство для работы в открытых стволах скважин |
RU83536U1 (ru) * | 2009-01-15 | 2009-06-10 | Закрытое акционерное общество Научно-производственное предприятие "ОСКОН" | Пакер |
US8453760B2 (en) * | 2009-08-25 | 2013-06-04 | Baker Hughes Incorporated | Method and apparatus for controlling bottomhole temperature in deviated wells |
US8261817B2 (en) * | 2009-11-13 | 2012-09-11 | Baker Hughes Incorporated | Modular hydraulic operator for a subterranean tool |
US8863843B2 (en) * | 2010-05-21 | 2014-10-21 | Smith International, Inc. | Hydraulic actuation of a downhole tool assembly |
US8936099B2 (en) * | 2011-02-03 | 2015-01-20 | Smith International, Inc. | Cam mechanism for downhole rotary valve actuation and a method for drilling |
US9068417B2 (en) * | 2011-10-27 | 2015-06-30 | Schlumberger Technology Corporation | Pressure cycle independent indexer and methods |
GB201120448D0 (en) * | 2011-11-28 | 2012-01-11 | Oilsco Technologies Ltd | Apparatus and method |
GB2514170A (en) * | 2013-05-16 | 2014-11-19 | Oilsco Technologies Ltd | Apparatus and method for controlling a downhole device |
US9470062B2 (en) * | 2014-02-24 | 2016-10-18 | Baker Hughes Incorporated | Apparatus and method for controlling multiple downhole devices |
-
2011
- 2011-11-28 GB GBGB1120448.4A patent/GB201120448D0/en not_active Ceased
-
2012
- 2012-11-28 RU RU2014125943/03A patent/RU2587657C2/ru active
- 2012-11-28 CN CN201280067235.1A patent/CN104053854B/zh active Active
- 2012-11-28 EP EP12806088.6A patent/EP2785957B1/en active Active
- 2012-11-28 MX MX2014006419A patent/MX350085B/es active IP Right Grant
- 2012-11-28 BR BR112014012894-4A patent/BR112014012894B1/pt active IP Right Grant
- 2012-11-28 WO PCT/GB2012/052928 patent/WO2013079929A2/en active Application Filing
- 2012-11-28 AU AU2012343563A patent/AU2012343563C1/en active Active
- 2012-11-28 US US14/361,168 patent/US9683434B2/en active Active
- 2012-11-28 CA CA2856979A patent/CA2856979C/en active Active
-
2015
- 2015-02-25 HK HK15101898.4A patent/HK1201310A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2785957A2 (en) | 2014-10-08 |
EP2785957B1 (en) | 2018-09-12 |
CN104053854A (zh) | 2014-09-17 |
CN104053854B (zh) | 2017-10-13 |
RU2587657C2 (ru) | 2016-06-20 |
WO2013079929A2 (en) | 2013-06-06 |
HK1201310A1 (en) | 2015-08-28 |
BR112014012894B1 (pt) | 2021-05-25 |
US9683434B2 (en) | 2017-06-20 |
AU2012343563C1 (en) | 2017-07-20 |
WO2013079929A3 (en) | 2014-04-17 |
CA2856979A1 (en) | 2013-06-06 |
GB201120448D0 (en) | 2012-01-11 |
MX2014006419A (es) | 2015-02-10 |
RU2014125943A (ru) | 2016-01-27 |
AU2012343563B2 (en) | 2017-04-06 |
US20140318806A1 (en) | 2014-10-30 |
MX350085B (es) | 2017-08-24 |
CA2856979C (en) | 2019-11-26 |
AU2012343563A1 (en) | 2014-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112014012894A2 (pt) | aparelho para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água e método para controlar um dispositivo de fundo de poço em um poço de óleo, gás ou água | |
BR112013030929A2 (pt) | sistema e método para execução de serviços em um furo de poço | |
BR112015003712A2 (pt) | método e sistema para monitorar fluidos relativos a operações de cimentação em ou próximas do tempo real, e, método de cimentação | |
BR112014016408A8 (pt) | método para perfuração em uma formação subterrânea, e, fluido de perfuração | |
BR112013019984A2 (pt) | método para controlar um aparelho eletrônico, e aparelho eletrônico. | |
BR112014007978A2 (pt) | método para revestir dispositivos tubulares em operações de perfuração, completação e produção de petróleo e gás | |
BR112013032061A2 (pt) | aparelho de segurança para um dispositivo eletrônico portátil, e, método para prender um dispositivo eletrônico portátil | |
BR112012029525A2 (pt) | dispositivos e método para a correlação e geodirecionamento de poços horizontais | |
BR112013011813A2 (pt) | aparelho e método para aquecer um recurso de hidrocarbonetos em uma formação subterrânea. | |
BR112013008328A2 (pt) | aparelho e método para perfuração com pressão controlada | |
BR112012004484A2 (pt) | aditivo de tratamento subterrâneo, fluido de tratamento, e, método para formar um fluido de tratamento | |
BR112014030936A2 (pt) | aparelho , e método para processar um fluido. | |
BR112015004057A2 (pt) | método para manutenção de um furo de poço em uma formação subterrânea e fluido de manutenção de furo de poço | |
BR112013033167A2 (pt) | método, e, aparelho | |
BR112014020903A2 (pt) | Dispositivo de controle de fluxo, e, método para proporcionar um dispositivo de controle de fluxo | |
BR112013009808A2 (pt) | dispositivo e método para analisar pelo menos um hidrocarbono contido em um fluido de perfuração. | |
DK3703403T3 (da) | Fremgangsmåde og indretning til caching | |
BR112013021574A2 (pt) | sistema de escareamento de fundo de poço, e método para alargar um furo de poço | |
SG11201403312QA (en) | System and method for monitoring down-hole fluids | |
BR112014028708A2 (pt) | sistema, método para perfurar, método para perfurar um furo de poço, e método para facilitar operação de um furo de poço | |
BR112014009034A2 (pt) | válvula de segurança de subsolo, método para operar uma válvula no fundo do poço e válvula de fundo do poço para utilização em um poço | |
EP2994608A4 (en) | Method and apparatus for restricting fluid flow in a downhole tool | |
BR112013032068A2 (pt) | aparelho de segurança para um dispositivo eletrônico portátil, e, método para prender um dispositivo eletrônico portátil | |
GB201220239D0 (en) | Method for characterising hydrocarbon fluids | |
BR112014024377A2 (pt) | dispositivo amostragem de fluidos e método para amostragem. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B25A | Requested transfer of rights approved |
Owner name: NXG TECHNOLOGIES LIMITED (GB) |
|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 28/11/2012, OBSERVADAS AS CONDICOES LEGAIS. |