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WO2017136841A1 - Systèmes et procédés d'entretien de puits à distance - Google Patents

Systèmes et procédés d'entretien de puits à distance Download PDF

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Publication number
WO2017136841A1
WO2017136841A1 PCT/US2017/016736 US2017016736W WO2017136841A1 WO 2017136841 A1 WO2017136841 A1 WO 2017136841A1 US 2017016736 W US2017016736 W US 2017016736W WO 2017136841 A1 WO2017136841 A1 WO 2017136841A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
line
valve
service
remote
Prior art date
Application number
PCT/US2017/016736
Other languages
English (en)
Inventor
Christopher Taylor HERMAN
Saurabh Kajaria
Justin Kristopher LIN
Timothy Fuller
Original Assignee
Ge Oil & Gas Pressure Control Lp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/424,669 external-priority patent/US10816137B2/en
Application filed by Ge Oil & Gas Pressure Control Lp filed Critical Ge Oil & Gas Pressure Control Lp
Priority to CN201780021328.3A priority Critical patent/CN109072691A/zh
Priority to CA3018485A priority patent/CA3018485A1/fr
Publication of WO2017136841A1 publication Critical patent/WO2017136841A1/fr

Links

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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/2607—Surface equipment specially adapted for fracturing operations

Definitions

  • the present disclosure relates to servicing well equipment. More particularly, the present disclosure relates to systems and methods of remotely providing a service fluid to one or more well components via a remote servicing manifold.
  • Certain hydrocarbon production related operations such as hydraulic fracturing, utilize well equipment that is made up of many parts.
  • One example is a hydraulic fracturing tree, which has many valves. These valves may need to be greased or lubricated from time to time to ensure proper function and maximum operational life.
  • this process is carried out manually by an operator at the well site. As such, the operator has to travel to the well site and manually make and break the valve fittings in order to grease the valve. This process is time consuming and costly.
  • a remote well servicing system includes a remote servicing manifold, which includes a fluid input line couplable to a service fluid source, a fluid output line couplable to a well component, a valve coupled to the fluid input line and the fluid output line, wherein the valve, when actuated, places the fluid input line in fluid communication with the fluid output line and permits delivery of a service fluid from the service fluid source to the well component, and a control line coupled to and controlling actuation of the valve.
  • a remote well servicing system in another embodiment, includes a control unit and a remote servicing manifold.
  • the control unit further includes a service fluid source and a control system.
  • the remote servicing manifold further includes a fluid input line coupled to the service fluid source, a fluid output line couplable to a well component, and a valve coupled to the fluid input line and the fluid output line, wherein the valve, when actuated, places the fluid input line in fluid communication with the fluid output line and permits delivery of a service fluid from the service fluid source to the well component.
  • the remote servicing manifold also includes a control line coupling the valve and the control system, wherein the control system controls actuation of the valve via the control line.
  • a method of remotely servicing a well component includes supplying a service fluid to a remote servicing manifold, actuating a valve on the remote servicing manifold, thereby permitting flow of the service fluid, and delivering the service fluid from the remote servicing manifold to a well component.
  • FIG. 1 is a schematic view of a remote well servicing system, in accordance with example embodiments of the present disclosure.
  • FIG. 2 is a diagram representation of a remote well servicing system, in accordance with example embodiments of the present disclosure.
  • FIG. 3 A is a block diagram of a remote well servicing system with remote servicing manifolds having electro-pneumatic valve control, in accordance with example embodiments of the present disclosure.
  • FIG. 3B is a block diagram of a valve actuation system of the manifold of FIG. 3 A, in accordance with example embodiments of the present disclosure.
  • FIG. 4A is a block diagram of a remote well servicing system with remote servicing manifolds having fully pneumatic valve control, in accordance with example embodiments of the present disclosure.
  • FIG. 4B is a block diagram of a valve actuation system of the manifold of FIG. 4A, in accordance with example embodiments of the present disclosure.
  • FIG. 5 is a block diagram of the remote well servicing system of FIG. 3A with the addition of a pressure boosting station at the manifolds, in accordance with example embodiments of the present disclosure.
  • FIG. 6 is a block diagram of the remote well servicing system of FIG. 4A with the addition of a pressure boosting station at the manifolds, in accordance with example embodiments of the present disclosure.
  • FIG. 7 is a block diagram of a remote well servicing system with pressure relief, in accordance with example embodiments of the present disclosure.
  • Embodiments of the present disclosure include systems and methods for remotely monitoring and/or servicing a well, such as providing a service fluid without operator intervention at the well site.
  • An example application of the present disclosure includes greasing well assemblies during hydrocarbon drilling and development operations, such as during hydraulic fracturing or when the wells are producing and under pressure. Doing so can reduce failures of the well assembly and the operation.
  • the systems and techniques of the present disclosure may be used for a wide variety of wells and well operations, and is particularly advantageous for wells that are not easily accessible by operators, such as remote land wells, dry offshore wells, and unmanned platforms, where regular servicing can increase operational life.
  • FIG. 1 is a schematic view of a remote well servicing system 100, in accordance with an example embodiment of the present disclosure.
  • the system 100 includes a control unit 102 and a remote servicing manifold 104.
  • the manifold 104 selectively delivers a service fluid from the control unit 102 to one or more well components 105 of a well 106.
  • the control unit 102 may include a control system 108 and a service fluid source 110.
  • the control system 108 controls at least some aspects of the remote well servicing system 100.
  • the service fluid source 1 10 may be any suitable type of vessel or reservoir for holding a service fluid.
  • the service fluid may be any type of fluid that may be used to service a well component from time to time.
  • the service fluid source 110 may be a grease or lubricant storage container.
  • the control system 108 may include one or more processors and/or controllers for carrying out its control functions, including controlling the manifold 104.
  • the control system 108 may also include a control panel 112 or interface through which an operator can interact with the control system 108, such as to input control commands or receive output information.
  • the control panel 112 may be located on the control unit 102, as illustrated in FIG. 1. Alternatively, the control panel 112 can be a part of a remote controller such as a pendant controller or a digital controller.
  • the control panel 1 12 can be configured for touch screen operations and allow for straightforward and intuitive operation of the remove servicing operation.
  • the control panel 112 can communicate via wires or wirelessly.
  • Non- exhaustive wireless examples include wireless internet or telemetry, radio, microwave, ultrasonic, or infrared.
  • the control panel 1 12 may include a tablet computer, smart phone, personal computer, and the like, that allow for interaction with the control system 1 12 at one or more offsite locations.
  • the control unit 102 may be in the form of a wheeled mobile operation center or grease skid. Additional equipment may be located on the control unit that facilitation other operations, such as hydraulic fracturing.
  • the control unit 102 may also include various other system components and control capabilities used to operate and monitor well equipment. Such components may include accumulators, hydraulic, electric, and pneumatic actuators, torque wrenches, pressure pumps, and various meters and visual indicators. Such components may be used to perform certain services at the well 106, such as diagnostic operations, as well as measuring temperature, pressure, oil and gas ratio, water content, and chemical tracers at the well 106.
  • the remote servicing manifold 104 is located away from the control unit 102.
  • the manifold 104 is located twenty -five to one hundred feet from the control unit 102.
  • the manifold 104 may be closer to or farther from the control unit 102.
  • the manifold 104 includes a fluid input for receiving a service fluid and a control input for receiving a control signal.
  • the fluid input is coupled to the service fluid source 110 at the control unit 102 via a supply line 114 and service fluid is delivered to the manifold 104 from the service fluid source 1 10 through the supply line 114.
  • the control input is coupled to the control system 108 at the control unit 102 via one or more control lines 116.
  • the control lines 1 16 may include electrical lines, optical lines, pneumatic lines, and the like, and any combination thereof.
  • the manifold 104 includes one or more fluid outputs from which the service fluid can be delivered to one or more well components 105 through respective delivery lines 116. There may be one or more check valves coupled to the delivery line 1 16 to prevent back flow. In certain example applications, the manifold 104 may be located five to fifty feet away from the well 106. However, in some other example applications, the manifold 104 may be located closer to or farther from the well 106.
  • the control system 108 controls delivery of service fluid from the manifold to each of the well components 105 by selectively actuating respective valves within the manifold via the control lines 116. Delivery of service fluid to each of the well components 105 may be independently controlled. Alternatively, service fluid may be delivered to all or a subset of the well components simultaneously.
  • FIG. 2 is a diagram representation of a remote well servicing system 200, according to example embodiments of the present application.
  • the system 200 includes a control unit 202 and a plurality of remote servicing manifolds 204.
  • the control unit 202 supplies service fluid to the manifolds 204 via supply lines 214 and controls the manifolds 204 via control lines 216.
  • service fluid and/or control signals may be communicated to one of the manifolds 204 via another manifold 204 rather than directly from the control unit 202.
  • a configuration may be advantageous in an application where one manifold 204 is physically located between the control unit 202 and another manifold 204. Delivering control signals and/or service fluid to the farther manifold 204 via the closer manifold 204 rather than directly from the control unit 204 may reduce the number or length of lines required.
  • a manifold 204 can provide service fluid to a plurality of well components 205 on the same well 206 as well as to well components on a plurality of wells 206, as represented by each individual supply line 218. Additionally, one well 206 may receive service fluid from multiple manifolds 204. In some embodiments, the same service fluid may be provided to each of the manifolds 204. In some other embodiments, the control unit 202 may provide different types of services fluids to different manifolds 204. The control unit 202 may also provide different types of service fluids to the same manifold 204. This embodiment may be particularly useful for applications in which different well components require different service fluids.
  • FIG. 3A is a block diagram of a remote well servicing system 300, illustrating a control unit 302 coupled to three remote servicing manifolds 304 with electro-pneumatic valve control, which are coupled to three wells 306, respectively, in accordance with example embodiments of the present disclosure.
  • the control unit 302 includes at least one service fluid source 310 and may include a pump 320 for pumping the service fluid from the fluid source 310 to the manifolds 304.
  • the service fluid is communicated from the control unit 302 to the manifold 304 via a supply line 314.
  • the control unit 302 further includes an electrical controller 322 and a pneumatic source 324 that together control actuation of individual valves within the manifolds 304 that permit delivery of the service fluid to respective well components at the wells 306.
  • the electrical controller 322 delivers electrical control signals to the manifold 304 via an electrical control line 316a and the pneumatic source delivers an air supply to the manifold 304 via a pneumatic control line 316b.
  • service fluid is selectively delivered to respective well components via fluid delivery lines 318.
  • an operator or program can select to which well component(s) to provide service fluid.
  • the manifold 304 includes a valve actuation system 350, as illustrated in FIG. 3B.
  • the valve actuation system 350 includes an electrical actuator such as a solenoid 326 which is controlled by an electrical signal from the electrical control line 316a.
  • a pneumatic actuator 328 receives air pressure from the pneumatic control line 316b and opens a valve, such as a needle valve 330.
  • the needle valve is also coupled to the service fluid supply line 314 and the delivery line such that when open, the needle valve permits delivery of the service fluid to the well component 305.
  • the needle valve 330 is coupled to a reservoir of service fluid within the manifold 304 and controls flow of service fluid from the reservoir to the well component 305 via the delivery line 318.
  • one valve actuation system 350 may be configured to deliver service fluid to multiple well components 305 simultaneously.
  • FIG. 4A is a block diagram of a remote well servicing system 400, illustrating a control unit 402, three remote servicing manifolds 404 with fully pneumatic valve control, and three wells 406, in accordance with example embodiments of the present disclosure.
  • the control unit 402 includes at least one service fluid source 410 and may include a pump 420 for pumping the service fluid from the fluid source 410 to the manifolds 404.
  • the service fluid is communicated from the control unit 402 to the manifold 404 via a supply line 414.
  • the control unit 402 further includes a pneumatic controller 424 that controls actuation of valves within the manifolds 404 by sending pneumatic signals through pneumatic control lines 416.
  • the manifold includes a valve actuation system 450 for each well component 405 to which the manifold 404 provides service fluid, as illustrated in FIG. 4B, in accordance in one or more embodiments.
  • the valve actuation system 450 includes a pneumatically valve 430 that is coupled to the delivery line 418 and permits flow of service fluid to the well component through the delivery line 418 upon actuation.
  • the valve 430 can be selectively actuated via the pneumatic control line 416 to permit fluid communication between the supply line 414 and the delivery line 418 to deliver the service fluid to the well component 405.
  • one valve actuation system 450 may be configured to deliver service fluid to multiple well components 405 simultaneously.
  • FIG. 5 is a block diagram of a another embodiment of a remote well servicing system 500 similar to the remote well servicing system 300 of FIG. 3, with the addition of a pressure boosting station 560 at the manifold 504.
  • the pressure boosting station 560 increases the pressure of the service fluid in the delivery line 518 to facilitate delivery of the service fluid to the well 506.
  • the pressure boosting station may include a well service fluid reservoir 562 with a pump 564 such that the service fluid can be pumped through the delivery line 518 at a sufficient pressure to ensure delivery of the service fluid to the well. This may be particularly advantageous in application in which there is wellbore pressure acting against delivery of the service fluid or if the well 506 is at a great distance from or a higher altitude than the manifold 504.
  • FIG. 6 is a block diagram of a another embodiment of a remote well servicing system 600 similar to the remote well servicing system 400 of FIG. 4, with the addition of a pressure boosting station 660 at the manifold 604.
  • FIG. 7 is a block diagram of a remote well servicing system 700 with pressure relief, in accordance with example embodiments of the present disclosure.
  • the well servicing system 700 includes a control unit 702 which provides service fluid to a remote servicing manifold 704 via a supply line 714 and also controls a pneumatic valve in the manifold via a pneumatic control line 716.
  • the manifold 704 then delivers the service fluid to a well 706 via a delivery line upon actuation of the pneumatic valve.
  • bleed lines 770 may be coupled to the pneumatic control line 716, the supply line 714, and/or the delivery line 718. These may be multiple individual bleed lines 770 or one joined bleed line 770.
  • the bleed lines 770 are each coupled to a relief valve 772 that can be used to control release of pressure in the respective lines 714, 716, 718.
  • the bleed lines 770 may empty into a collection tank for disposal.
  • the relief valves 772 may be controlled automatically based on a predetermined protocol such when pressure within a respective line exceeds a certain threshold. Specifically, this may be carried out electronically using a pressure sensor and controller that reads the pressure sensor and controls the relief valve 772 accordingly. This may also be carried out purely mechanically by using a relief valve 772 that is configured to trigger open upon being subject to a certain set-point pressure. Alternatively, the relief valves 772 can be controlled remotely or manually by an operator when needed.
  • Embodiments of the present disclosure provide a remote well servicing system that allows for servicing of well components, such as applying a servicing fluid, to be carried out without interrupting other well operations or the need to assemble or disassembly any equipment, and without on-site operator intervention.

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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)
  • Pipeline Systems (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un système d'entretien de puits à distance comprenant une unité de commande (102) et un collecteur d'entretien à distance (104). L'unité de commande (102) comprend en outre une source (110) de fluide d'entretien et un système de commande (108). Le collecteur d'entretien à distance (104) comprend en outre une conduite d'entrée de fluide (114) raccordée à la source (110) de fluide d'entretien, une conduite de sortie de fluide (118) pouvant être raccordée à un élément de puits (105) et une soupape raccordée à la conduite d'entrée de fluide (114) et à la conduite de sortie de fluide (118), la soupape, lorsqu'elle est actionnée, mettant la conduite d'entrée de fluide en communication fluidique avec la conduite de sortie de fluide et permettant l'acheminement d'un fluide d'entretien de la source (110) de fluide d'entretien vers l'élément de puits (105). Le collecteur d'entretien à distance (104) comprend également une ligne de commande couplant la soupape et le système de commande, le système de commande commandant l'actionnement de la soupape par l'intermédiaire de la ligne de commande.
PCT/US2017/016736 2016-02-05 2017-02-06 Systèmes et procédés d'entretien de puits à distance WO2017136841A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201780021328.3A CN109072691A (zh) 2016-02-05 2017-02-06 远程井保养系统及方法
CA3018485A CA3018485A1 (fr) 2016-02-05 2017-02-06 Systemes et procedes d'entretien de puits a distance

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662291616P 2016-02-05 2016-02-05
US62/291,616 2016-02-05
US15/424,669 US10816137B2 (en) 2014-05-30 2017-02-03 Remote well servicing systems and methods
US15/424,669 2017-02-03

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WO2017136841A1 true WO2017136841A1 (fr) 2017-08-10

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CA (1) CA3018485A1 (fr)
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US10941902B2 (en) 2018-07-10 2021-03-09 Quarter Turn Pressure Control, LLC Valve grease blocks for high pressure valves and high pressure valves using the same
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US10232332B2 (en) 2012-11-16 2019-03-19 U.S. Well Services, Inc. Independent control of auger and hopper assembly in electric blender system
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Also Published As

Publication number Publication date
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CN109072691A (zh) 2018-12-21

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