WO2005098198A1 - Outil circulant de collier a coins pour tubes de production et systeme de commande de tete de colonne pour essai de puits sous-marin - Google Patents
Outil circulant de collier a coins pour tubes de production et systeme de commande de tete de colonne pour essai de puits sous-marin Download PDFInfo
- Publication number
- WO2005098198A1 WO2005098198A1 PCT/US2005/010989 US2005010989W WO2005098198A1 WO 2005098198 A1 WO2005098198 A1 WO 2005098198A1 US 2005010989 W US2005010989 W US 2005010989W WO 2005098198 A1 WO2005098198 A1 WO 2005098198A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ram
- shuttle valves
- blowout preventer
- control
- shuttle
- Prior art date
Links
- 238000012360 testing method Methods 0.000 title claims description 21
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 21
- 230000011664 signaling Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 9
- 241000191291 Abies alba Species 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KJLPSBMDOIVXSN-UHFFFAOYSA-N 4-[4-[2-[4-(3,4-dicarboxyphenoxy)phenyl]propan-2-yl]phenoxy]phthalic acid Chemical group C=1C=C(OC=2C=C(C(C(O)=O)=CC=2)C(O)=O)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 KJLPSBMDOIVXSN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
- E21B33/0355—Control systems, e.g. hydraulic, pneumatic, electric, acoustic, for submerged well heads
-
- 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
- E21B34/02—Valve arrangements for boreholes or wells in well heads
- E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
- E21B34/045—Valve arrangements for boreholes or wells in well heads in underwater well heads adapted to be lowered on a tubular string into position within a blow-out preventer stack, e.g. so-called test trees
Definitions
- This invention relates to subsea well technology, and specifically to an improved tubing hanger running tool and subsea test tree control system and method of controlling hydraulic/electric tools or equipment used during drilling, testing or completion of a subsea well.
- a subsea well constructed for producing hydrocarbons consists of a series of concentric drilled and cased bores.
- the casings typically include sections of threaded and coupled pipes screwed together.
- the casings are run into the well bore, suspended (landed) in a wellhead attached to the first casing string (referred to as conductor pipe), and cemented in place by circulating cement down the casing and up into the annular area between the casing and well bore.
- conductor pipe first casing string
- the tubing typically consists of sections of threaded and coupled steel pipes similar to casing, but smaller in diameter and usually higher in pressure rating. Unlike casing, the tubing is not cemented in place and therefore can be replaced.
- the tubing hanger In addition to suspending the tubing in the wellhead or in a Christmas tree, the tubing hanger also seals off the annular space between the tubing and the production casing and provides access to down-hole devices such as safety valves, chemical injection ports, down-hole pressure gauges, as well as other devices.
- BOP Blowout Preventer Stack
- SSTT subsea test tree
- the SSTT is the primary safety device in containing well pressure in the event that the floating drilling vessel is required to disconnect from the well in an emergency. supply, control umbilical, hose reel, etc.).
- this procedure can add five hundred thousand dollars or more to the well cost, depending on the water depth.
- the cost can include the rental cost of the SSTT itself, the umbilical, and the control panel and hydraulic power system, as well as the rig time to run the SSTT with the umbilical, strapping the umbilical to the tie back string and rigging up the hydraulic control system.
- the invention provides a system for providing power to elements down-hole in a subsea well.
- the system includes a control pod having at least one shuttle valve, a down-hole hydraulically-actuated device having at least one internal porting mechanism in fluid communication with the at least one shuttle valve, a blowout preventer stack connected to the down-hole device, the blowout preventer stack including a first ram and a second ram, and a choke line in fluid communication with an area between the first ram and the second ram.
- the at least one shuttle valve controls distribution of hydraulic pressure applied through the choke line to the internal porting mechanism for selective distribution of power to the hydraulically-actuated device.
- Embodiments of the invention may include one or more of the following features.
- the shuttle valves may be battery activated shuttle valves.
- the system may include an acoustic signal generator.
- the shuttle valves may be controlled by an acoustic signal generated by the acoustic signal generator.
- the shuttle valves can be controlled with electronic signals received by the control pod.
- the shuttle valves can be electrically controlled.
- the control pod may include a receiver to decode pressure pulses generated to control the shuttle valves.
- the down-hole hydraulically actuated device may include a component in at least one of a tubing hanger running tool, a subsea test tree, and a tubing hanger.
- the blowout preventer stack may include a port positioned between the first ram and the second ram.
- the choke line can be in fluid communication with the port.
- the system can include an electronic control panel and a slip ring to provide control commands to the shuttle valves in the control pod. Additional aspects of the invention are directed to a method of providing hydraulic and electric power to tools in a subsea test tree system, the system comprising a blowout preventer stack having a first ram and a second ram and a choke line through which hydraulic pressure is provided to a port in the blowout preventer stack.
- the method includes isolating an area between the first ram and the second ram of the blowout preventer, distributing hydraulic pressure through the choke line to the area between the tirst ram and the second ram of the blowout preventer, and controlling the distribution of hydraulic pressure through the choke line to a hydraulically-actuated device by actuating shuttle valves.
- Embodiments of the invention may include one or more of the following features.
- the method may further comprise generating an acoustic signal and controlling the shuttle valves with the acoustic signal.
- the method may also comprise generating pressure pulses, receiving the pressure pulses in a control pod housing the shuttle valves, and decoding the pressure pulses to control the shuttle valves.
- the method may include closing the area between the first ram and the second ram above and below an inlet from the choke line and providing a seal for hydraulic fluid in the blowout preventer.
- Various features of the invention may provide one or more of the following capabilities. Using the sealing capabilities of the BOP and the existing hydraulic power and control functions allows the user to avoid having to obtain the umbilical, the control unit and a hydraulic power supply.
- rig time is lessened due to the elimination of the necessity of hooking up the aforementioned components, as well as the time required to run the umbilical. Savings can be as much as one-half of the standard cost of renting and running a known subsea test tree. Safety is enhanced by the elimination of the control umbilical required in the current SSTT designs.
- Various features of the invention may provide one or more of the following capabilities. In embodiments of the invention, the need for a hose reel, a control umbilical, a hydraulic control panel, a hydraulic power supply and down-hole accumulator are substantially eliminated. The rig time associated with running the control umbilical is also substantially eliminated. The efficiency of the drilling of a subsea well can be more cost effective and safer for the user.
- FIG. 1 is a schematic diagram of a floating drilling rig.
- FIG. 2 is a schematic diagram of a Subsea Test Tree/ Tubing Hanger Running Tool.
- FIG. 3 is a schematic diagram of an alternative Subsea Test Tree/ Tubing Hanger Running Tool.
- FIG. 4 is a schematic diagram of a Subsea Test Tree/ Tubing Hanger Running Tool having an electric power ram.
- FIG. 4 A is a magnified schematic diagram of the electric power ram of FIG. 4.
- Embodiments of the invention eliminate a control umbilical and associated hydraulic power pack, as well as associated reel and control panel.
- Embodiments of the invention use a choke and/or kill line of the blowout preventer system (BOP) to supply hydraulic power.
- BOP blowout preventer system
- embodiments of the invention use battery powered shuttle valves to direct hydraulic fluid through internal piping and ports to perform many functions in a subsea system.
- Embodiments of the invention supply hydraulic power to the THRT and to the tubing hanger and SSTT through a blowout preventer that is generally employed in the drilling and completion (equipping for production) of a subsea well.
- Embodiments and portions of the invention can be used for completing a subsea well, flow testing a subsea well, or for purposes other than completing or testing. Other applications of the embodiments will be apparent to those skilled in the art.
- hydraulic power is provided through a port in the side of the THRT, rather than through a control umbilical. The port is isolated between two pipe rams in the blowout preventer (BOP).
- Embodiments of the invention further provide closing the pipe rams such that hydraulic power can be supplied to the port through the choke or kill line that is available on standard subsea blowout preventer stacks.
- battery- powered shuttle valves are used to direct hydraulic fluid through internal piping to functions that require the hydraulic fluid.
- Shuttle valves are controlled in at least one of a number of ways, including, but not limited to, by acoustic signals, electronic signals, pressure pulse telemetry, and electrically. Referring to FIG. 1, a schematic of the general arrangement of a floating drilling operation and selected systems therein is shown.
- a subsea well system 10 includes a floating drilling rig 12 positioned above sea level, and a marine riser 14, a lower marine riser package 16 and a BOP stack 18, all positioned below sea level.
- Subsea wells are built by establishing a wellhead housing on a conductor casing pipe, and with a blowout preventer stack 18 installed, drilling a well bore down to the producing formation and installing concentric casing strings, which are cemented at the lower ends and sealed with mechanical seal assemblies at each string's upper end.
- the lower marine riser 16 is a sub-system of the blowout preventer stack 18, and allows the rig and riser system to be disconnected from the BOP stack in the event an emergency disconnect is required.
- the system depicted is a guide- lineless system. Other systems, including systems that utilize guide lines, are known in the art. In order to equip the cased well for production, a tubing string is run in through the
- the BOP 18 and a tubing hanger is landed in the wellhead. Thereafter, the BOP stack 18 is removed and replaced by a tree having one or more production bores extending vertically to respective lateral production fluid outlet ports in the wall of the tree.
- the tubing hanger may be landed in a subsea Christmas tree mounted on the wellhead.
- the tubing hanger is generally installed by using a hydraulically activated tubing hanger running tool.
- THRT tubing hanger running tool
- SSTT subsea test tree
- components that may be used with the THRT 26 and SSTT 28 include a hose reel 30, a hydraulic power pack 32, an electro-hydraulic control panel 34, an electro-hydraulic control umbilical 36, a flow control head 38, a BOP control panel 40, a choke line 42, a BOP control umbilical 44, a marine riser 14, an accumulator 46 for the THRT and the SSTT, a control pod 48 for the THRT and the SSTT, a retainer valve 50, a hydraulic disconnect 52, a ball joint 54, an annular BOP 56, BOP pipe rams 58 and a tubing hanger 60.
- the tubing hanger 60 is connected to the THRT 26, the umbilical 36 is connected to the control pod 48, and the assembly is run into the well through the drilling riser 16 and blowout preventer stack 18, which are attached to the wellhead.
- the BOP 56 may be landed on the subsea christmas tree, and the tubing hanger may be run and landed in the subsea Christmas tree.
- the THRT 26 and the SSTT 28 can be run together or separately.
- the THRT 26 provides several functions, including but not limited to: facilitating "soft landing" features of the tubing hanger; testing of the various tubing hanger seals; and actuating locking rings to lock the tubing hanger in place.
- the THRT 26 may be actuated by hydraulic pressure delivered to the THRT 26 from the surface vessel (e.g., the floating production platform or drilling rig 12) through the control umbilical 36 connected to the dedicated hydraulic power unit 32 on the surface vessel 12, and operated with the hydraulic control panel 34.
- the control umbilical 36 system transfers high and low pressure fluid supply, annulus fluids and electrical power/signals to the BOP, subsea tree and other equipment down-hole.
- the SSTT 28 has hydraulically actuated valves that are powered and controlled through the electro-hydraulic control line 36 running from the surface platform 12 to the SSTT 28.
- the system is run on a high pressure riser, or tie back string 63, run inside the marine riser 14 and landed and sealed inside the wellhead or subsea tree.
- the control umbilical 36 is strapped to the tieback string 63.
- a surface tree is hooked up to the tie back string to control the flow of the well and allow wireline lubricator access to the well for wireline work.
- the SSTT 28 cuts the wireline, seals the well, and releases the tie back string in the event that the platform is required to disconnect from the well, for example, in an emergency.
- the system of FIG. 3 operates without a down-hole accumulator.
- the system includes the retainer valve 50, the hydraulic disconnect 52, the control pod 48, the pipe rams 58, the SSTT 28 and the THRT 26.
- the electronic control panel 61 and the slip ring 62 provide the control commands (e.g., electronically, electrically, acoustically, etc.) to the battery operated shuttle valves in the control pod 48.
- the shuttle valves direct/control hydraulic power fluid to the various functions of the THRT 26, the tubing hanger 60 and the SSTT 28.
- the hydraulic power in the system of FIG. 3 is provided via a choke/kill line 42.
- the control pod 48 includes a series of shuttle valves 68.
- the series of shuttle valves 68 in the control pod 48 for the THRT/SSTT are manifolded to hydraulic power supplied through internal porting in the THRT 26 and the SSTT 28.
- the hydraulic power is supplied through the choke or kill line 42 via a port in the THRT 26.
- the port is spaced between the lower two pipe rams 58 in the BOP stack 18.
- the rams 58 are closed, which isolates the port so the port can receive hydraulic power from the choke/kill line 42.
- the choke or kill line 42 is generally approximately 3 inches in diameter; however, other dimensions are possible and envisioned.
- the hydraulic power can have sufficient capacity/volume so as to substantially eliminate the need for a down-hole accumulator.
- Control of the hydraulic power fluid to the various functions to be operated is through the internal manifold and shuttle valves 68 in the control pod 48.
- the lower pipe rams 58 are closed above and below the inlet from the kill line to provide a seal for the hydraulic power fluid to enter a port in the THRT 26.
- the port is connected to the internal manifold and shuttle valves.
- the shuttle valves 68 direct hydraulic power to the various functions in the tubing hanger/THRT/SSTT. These functions include, but are not limited to, soft landing, seal testing, and a tubing hanger lockdown function.
- a hydraulic passage can be made from the THRT 26, through the tubing hanger and, by using galley seals, is connected with a passageway through the subsea Christmas tree.
- shuttle valves 68 distributes the hydraulic power to the various hydraulically activated tree functions (valves, connectors, test ports, etc.)
- the shuttle valves 68 may be battery activated and controlled, as described below. In this way, the tree can be functioned/operated without the need for a separate electrical umbilical.
- the shuttle valves 68 in the control pod 48 are battery operated, for example. Battery power to the shuttle valves 68 can be controlled in a number of ways, now discussed for simplicity in terms of shuttle valve controls.
- the battery pack for the shuttle valves 68 may be controlled by acoustic signal through the water (or work string).
- the signal is picked up and decoded by a receiver in the control pod 48 and the shuttle valves are then actuated by electric impulse from the decoder.
- Electric power is provided by a battery pack in the control pod for the SSTT 28 and the THRT 26.
- a separate set of rams 58 in the BOP stack 18 can be used to provide electric power to the control pod 48.
- the BOP includes the rams 58, 59, a power sub 72 having insulation 74 and split lines 76 that provide electrical power from the BOP control umbilical 44.
- the opposing rams 58, 59 include electrodes 70 horizontally opposed but offset in the vertical plane. Electric power is supplied from the control umbilical 44 for the BOP stack 18.
- the configuration shown in Figure 4 A is non-orienting and transmits electric power through anodes in the ram body to the power sub in the running string.
- the annulus in the BOP stack 18 is filled with a non-conductive fluid circulated into place through the choke or kill line. Pressure on the rams 58, 59 as they close around the power sub squeezes out the non-conductive fluid and makes the electrical connection.
- An orienting device can be used in the wellhead and BOP stack 18. Wet mate-able electrical connectors can be used in the rams 58 and the power sub.
- the principle applied to the control pod, THRT and SSTT can also be applied to a Christmas tree running tool.
- the hydraulic power may be supplied through the tree running/landing string.
- the tree running tool (CTRT) is hydraulically locked to the tree, and hydraulic passages connect from a manifold in the CTRT, through the tree to another manifold external to the tree, thence to the various tree functions.
- Hydraulic power through both hydraulic manifolds may be controlled by battery operated shuttle valves.
- the shuttle valves are controlled according to at least one of the various methods discussed above.
- the battery operated shuttle valves are controlled by acoustic signals and acoustic decoder.
- the shuttle valves 68 are controlled by pressure pulse telemetry as is used in "logging while drilling” (LWD) tools.
- the coded series of pressure pulses is generated on the surface and decoded by a receiver in the control pod 48.
- the receiver directs electric power, from a battery pack in the control pod 48, to the shuttle valves 68.
- a further alternative method by which to control the shuttle valves 68 is by a special landing string containing an electric conductor embedded in or attached to the wall of the pipe. In this method the electric power is supplied directly to the shuttle valves 68 through a multiplexing system similar to a multiplex system for controlling production from subsea wells.
- a still further alternative includes controlling the shuttle valves by use of a landing string employing an electronic signal transmission wire attached to or embedded in the pipe to control battery powered shuttle valves 68 in the control pod 48.
- Grant Prideco's product IntellipipeTM can be used to provide an electronic signal transmission. Any other method of delivering a signal to a battery pack power supply in order to activate the shuttle valves 68 without the use of an umbilical connection to the down- hole tools is possible and envisioned. From the foregoing detailed description it has been shown how the objects of the invention have been obtained in a preferred manner. However, modifications and equivalence of the disclosed concepts such as those which would occur to one of ordinary skill in the art are intended to be included within the scope of the present invention. Such equivalents are considered to be within the scope of the present invention. Various substitutions, alterations, and modifications may be made to the invention without departing from the spirit and scope of the invention as defined by the claims.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55807804P | 2004-03-30 | 2004-03-30 | |
US60/558,078 | 2004-03-30 | ||
US58047404P | 2004-06-17 | 2004-06-17 | |
US60/580,474 | 2004-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005098198A1 true WO2005098198A1 (fr) | 2005-10-20 |
Family
ID=35125138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/010989 WO2005098198A1 (fr) | 2004-03-30 | 2005-03-30 | Outil circulant de collier a coins pour tubes de production et systeme de commande de tete de colonne pour essai de puits sous-marin |
Country Status (2)
Country | Link |
---|---|
US (1) | US20050217845A1 (fr) |
WO (1) | WO2005098198A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2448230A (en) * | 2007-04-05 | 2008-10-08 | Vetco Gray Inc | Through-riser installation of tree block |
WO2010126777A1 (fr) * | 2009-04-30 | 2010-11-04 | Schlumberger Canada Limited | Système et procédé de régulation et surveillance sous-marine |
US8347967B2 (en) | 2008-04-18 | 2013-01-08 | Sclumberger Technology Corporation | Subsea tree safety control system |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007076488A2 (fr) * | 2005-12-22 | 2007-07-05 | Transocean Offshore Deepwater Drilling Inc | Systeme de double bop et de tube goulotte commun |
BRPI0919198A2 (pt) * | 2008-10-10 | 2015-12-15 | Cameron Int Corp | sistema integrado de instalação e controle de workover |
GB2485660B (en) * | 2009-05-04 | 2012-08-08 | Schlumberger Holdings | Subsea control system |
US8336629B2 (en) * | 2009-10-02 | 2012-12-25 | Schlumberger Technology Corporation | Method and system for running subsea test tree and control system without conventional umbilical |
US8839868B2 (en) * | 2009-10-02 | 2014-09-23 | Schlumberger Technology Corporation | Subsea control system with interchangeable mandrel |
WO2011072145A2 (fr) * | 2009-12-09 | 2011-06-16 | Schlumberger Canada Limited | Système de contrôle sous-marin à double trajet |
US8511388B2 (en) * | 2010-12-16 | 2013-08-20 | Hydril Usa Manufacturing Llc | Devices and methods for transmitting EDS back-up signals to subsea pods |
US8960310B2 (en) | 2011-06-14 | 2015-02-24 | Cameron International Corporation | Apparatus and method for connecting fluid lines |
US8800662B2 (en) * | 2011-09-02 | 2014-08-12 | Vetco Gray Inc. | Subsea test tree control system |
US8978766B2 (en) * | 2011-09-13 | 2015-03-17 | Schlumberger Technology Corporation | Temperature compensated accumulator |
US20130062069A1 (en) * | 2011-09-13 | 2013-03-14 | Schlumberger Technology Corporation | Accumulator having operating fluid volume independent of external hydrostatic pressure |
CA2955680C (fr) * | 2014-09-03 | 2018-07-31 | Halliburton Energy Services, Inc. | Outil d'isolation de tube ascenseur pour puits en eaux profondes |
WO2016167742A1 (fr) | 2015-04-14 | 2016-10-20 | Oceaneering International Inc | Adaptateur de commandes d'arbre montant intérieur et son procédé d'utilisation |
GB2546178B (en) * | 2016-01-11 | 2020-05-06 | Schlumberger Technology Bv | System and method for deploying and using at least one control module for in-riser and open water operations |
US9631448B1 (en) * | 2016-08-03 | 2017-04-25 | Schlumberger Technology Corporation | Distibuted control system for well application |
GB2554497B8 (en) * | 2017-06-29 | 2020-03-11 | Equinor Energy As | Tubing hanger installation tool |
NO20190854A1 (no) * | 2018-07-20 | 2020-01-21 | Ccb Subsea As | Apparat og fremgangsmåte for operasjon av en hydraulisk operert anordning i et brønnhode |
RU2763868C1 (ru) * | 2020-09-29 | 2022-01-11 | Общество с ограниченной ответственностью "Газпром 335" | Гидроэлектрическая система управления колонны для спуска с резервной системой управления последовательного включения со сбросом давления в полость водоотделяющей колонны |
RU2768811C1 (ru) * | 2020-09-29 | 2022-03-24 | Общество с ограниченной ответственностью "Газпром 335" | Гидравлическая система управления колонны для спуска |
CN112593888B (zh) * | 2020-12-08 | 2022-07-05 | 重庆前卫科技集团有限公司 | 脐带缆部署及水下对接装置 |
NO346603B1 (en) * | 2021-02-23 | 2022-10-24 | Simple Tools As | Tool, tool assembly and method for operating a downhole component |
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US4856595A (en) * | 1988-05-26 | 1989-08-15 | Schlumberger Technology Corporation | Well tool control system and method |
-
2005
- 2005-03-30 US US11/095,958 patent/US20050217845A1/en not_active Abandoned
- 2005-03-30 WO PCT/US2005/010989 patent/WO2005098198A1/fr active Application Filing
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US4375239A (en) * | 1980-06-13 | 1983-03-01 | Halliburton Company | Acoustic subsea test tree and method |
US5860478A (en) * | 1991-07-30 | 1999-01-19 | Exploration & Production Services (North Sea) Ltd. | Sub-sea test tree apparatus |
US5515336A (en) * | 1994-08-17 | 1996-05-07 | Halliburton Company | MWD surface signal detector having bypass loop acoustic detection means |
US6536529B1 (en) * | 1998-05-27 | 2003-03-25 | Schlumberger Technology Corp. | Communicating commands to a well tool |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2448230A (en) * | 2007-04-05 | 2008-10-08 | Vetco Gray Inc | Through-riser installation of tree block |
US8011436B2 (en) | 2007-04-05 | 2011-09-06 | Vetco Gray Inc. | Through riser installation of tree block |
GB2448230B (en) * | 2007-04-05 | 2011-10-12 | Vetco Gray Inc | Through-riser installation of tree block in subsea wellhead assembly |
US8347967B2 (en) | 2008-04-18 | 2013-01-08 | Sclumberger Technology Corporation | Subsea tree safety control system |
WO2009146206A3 (fr) * | 2008-04-18 | 2016-03-31 | Schlumberger Canada Limited | Système de contrôle de la sécurité d'une tête de production sous-marine |
WO2010126777A1 (fr) * | 2009-04-30 | 2010-11-04 | Schlumberger Canada Limited | Système et procédé de régulation et surveillance sous-marine |
US8517112B2 (en) | 2009-04-30 | 2013-08-27 | Schlumberger Technology Corporation | System and method for subsea control and monitoring |
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US20050217845A1 (en) | 2005-10-06 |
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