WO2013122500A1 - Adaptive throttle and flow rate limiting chamber for well completion system - Google Patents

Adaptive throttle and flow rate limiting chamber for well completion system Download PDF

Info

Publication number
WO2013122500A1
WO2013122500A1 PCT/RU2012/000354 RU2012000354W WO2013122500A1 WO 2013122500 A1 WO2013122500 A1 WO 2013122500A1 RU 2012000354 W RU2012000354 W RU 2012000354W WO 2013122500 A1 WO2013122500 A1 WO 2013122500A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
flow rate
rate limiting
section
throttle
Prior art date
Application number
PCT/RU2012/000354
Other languages
French (fr)
Inventor
Andrey Vladimirovich Shishov
Oleg Nikolaevich Zhuravlev
Original Assignee
Andrey Vladimirovich Shishov
Oleg Nikolaevich Zhuravlev
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
Application filed by Andrey Vladimirovich Shishov, Oleg Nikolaevich Zhuravlev filed Critical Andrey Vladimirovich Shishov
Publication of WO2013122500A1 publication Critical patent/WO2013122500A1/en

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
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells

Definitions

  • This invention relates to the production of hydrocarbons, more specifically, to the production of liquid fluid or/and gas media from wells.
  • the device provided herein can be used for adjusting the flow of the produced liquid or gas, more specifically, oil or gas, from the well and for oil replacement or heating by additional injection of fluid media e.g. water, steam or steam/oil mixture.
  • fluid media e.g. water, steam or steam/oil mixture.
  • the completion systems (production zone) of wells used for the production of fluid hydrocarbons may reach 500 m in length or greater.
  • Those sections may include wells having various geological parameters regarding permeability or liquid and/or gaseous phase inflow.
  • the flow over the entire well production zone length must be collected into the tubing in the optimum manner. This requires a specific pressure profile be developed over the well length. It is preferable to maintain equal liquid or gas phase inflows at different zones of the production zone. Equalized inflow, for instance, reduces the probability of gas breakthrough into oil production well and thus increases the oil recovery of the reservoir.
  • the well completion can be assembled from separate sections. Each section can have a chamber that collects the flow from the section's entire length. Maintaining equalized inflow requires matching the pressure drop between outside and inside of the well completion over the entire production zone length. This is achieved by using throttle devices arranged inside the each section chamber. The throttle devices develop hydraulic resistance to the flow and thus produce a pressure drop between the outer and inner sides of well completion. Therefore selecting the hydraulic parameters of the throttle devices allows adjusting the entire well completion system.
  • RU Patent 92905 a device for controlling the flow of liquid in the production or injection wells.
  • Said device comprises a casing with the liquid inflow and outflow means connected to the network of channels for liquid or/and gas flow wherein said network of channels, which allows developing high hydraulic resistance to the flow.
  • a drawback of said device with respect to the task discussed herein is the difficult equipment adjustment procedure that precedes equipment installation into the well.
  • RU Patent 95026 is an annular flow rate limiting device for the liquid, gas or gas/liquid mixture flow in the well.
  • Said flow rate limiting device comprises at least one flow rate limiting section the inflow part of which comprises at least one inflow channel, the outflow part of said flow rate limiting section has a stepwise increasing cross section area and comprises at least one step with two outflows, and the neck of said flow rate limiting section is located between said inflow part and said outflow part.
  • a drawback of said device with respect to the task discussed herein is the impossibility of selecting and connecting the required number of flow rate limiting sections immediately before equipment installation into the well.
  • Patent search did not reveal any technical solution that could be used as the closest counterpart of this invention.
  • the object of this technical solution is to increase the oil recovery of the reservoir.
  • Said adaptive throttle and flow rate limiting chamber of well completion system comprises a round-shaped casing containing at least one segment comprising at least one section of throttle and one flow rate limiting device section, and the flow is delivered to said segment from the end through the side channels, wherein each inflow unit allows closing the channel with a threaded cylindrical gate plug introduced through the camber casing.
  • said chamber comprises 1 to 5 of said segments.
  • Each segment may comprise 1 to 10 throttle sections for fine adjustment of the pressure drop between outer and inner sides of the completion.
  • the height and the width of said throttle characteristic dimensions i.e. combs, grooves and channels is 1 to 10 mm.
  • each section of said segment comprises two inflow units.
  • Said chamber substantially has two longitudinal flow supply channels for each segment.
  • each segment of said chamber comprises up to 10 throttle sections and one flow rate limiting section with combs, grooves and channels of the same type and having similar heights and widths.
  • the number of combs and grooves between said combs in the rows of the throttle section can be either the same or different.
  • said flow rate limiting device section comprises at least one or more parallel fragments. At least one fragment of said flow rate limiting device section does not have an inflow unit and is rather directly connected to the throttle section.
  • the subsequent fragments comprise inflow units for fine adjustment of the hydraulic parameters of said flow rate limiting device section.
  • Each of said subsequent fragments may comprise one or more inflow units.
  • Flow supply to said throttle section and said flow rate limiting device section can be alternatively provided through the threaded opening in the chamber casing by unscrewing the cylindrical gate plug.
  • a valve can be preferably installed before and/or after said throttle section and said flow rate limiting device section.
  • This design provides an adaptable chamber capable of being adjusted in accordance with changes of the liquid and/or gaseous phase inflow in time.
  • the valves can be selected in accordance with the required parameters of the entire system. This is achieved by changing the inner section of the valve saddle and the mechanical rigidity of the gate actuator to set the required pressure drop for valve actuation (opening or closing) thus achieving the required flow rate.
  • An advantage of said adaptable chamber is the guaranteed and known position of valves.
  • the drawing shows a developed view of the chamber along the outer diameter with the following notations: inflow channels 1, inflow unit 2 or threaded cylindrical gate plug installation place, throttle sections 3, flow rate limiting device section 4, flow rate limiting device fragment 5 and tubing discharge openings 6.
  • the device operates as follows.
  • the flow is delivered to the inflow units 2 at the chamber butt-end through the inflow channels 1.
  • the flow arrives at the throttle section 3. Opening of different inflow units of the throttle sections in different segments allows achieving the required hydraulic parameters of the entire chamber.
  • the flow arrives at the flow rate limiting device section 4 of the segment.
  • the number of open flow rate limiting device fragments 5 allows adjusting the hydraulic parameter of the entire chamber regarding gaseous phase flow rate limiting.
  • the flow through the discharge openings 6 arrives at the tubing.
  • the inflow units of the chamber are opened by replacing a plug having a smaller cylindrical gate diameter.
  • the inflow can take place not from the end channels but directly from the casing side it can be simply opened by unscrewing the plug.
  • the adaptive chamber operates as follows. All the valves are open during installation. The liquid and/or gas flow passes through the throttle section and first open valve and arrives at the tubing. If the preset flow across the valve is exceeded or the pressure drop at the valve increases, the valve is closed. This closing operation changes the flow route across the chamber and directs the flow to the next throttle section. The hydraulic resistance of the chamber increases and hence the total flow decreases. If the flow exceeds the preset limit again, the next valve will be closed etc. The opening of all the valves in the chamber can be achieved by increasing pressure in the tubing, for instance. Following that all the valves are readjusted to suit the changing conditions as described above.
  • the closure of all the valves in the chamber can be achieved by increasing the pressure drawdown in the well. This operation precludes the uncontrolled opening of the valves until the external opening pressure is supplied.

Landscapes

  • 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)
  • Fluid-Pressure Circuits (AREA)
  • Pipe Accessories (AREA)

Abstract

This invention relates to the production of hydrocarbons, more specifically, to the production of liquid fluid and/or gas media from wells. The adaptive throttle and flow rate limiting chamber of well completion system filter comprising a round-shaped casing containing at least one segment comprising at least one section of throttle combs and one flow rate limiting device section, and the flow is supplied to said segment from the butt through the side channels, wherein each inflow unit allows closing the channel with a threaded cylindrical gate plug introduced through the chamber casing.

Description

Adaptive Throttle and Flow Rate Limiting Chamber for Well
Completion System
This invention relates to the production of hydrocarbons, more specifically, to the production of liquid fluid or/and gas media from wells.
The device provided herein can be used for adjusting the flow of the produced liquid or gas, more specifically, oil or gas, from the well and for oil replacement or heating by additional injection of fluid media e.g. water, steam or steam/oil mixture.
The completion systems (production zone) of wells used for the production of fluid hydrocarbons may reach 500 m in length or greater. Those sections may include wells having various geological parameters regarding permeability or liquid and/or gaseous phase inflow. The flow over the entire well production zone length must be collected into the tubing in the optimum manner. This requires a specific pressure profile be developed over the well length. It is preferable to maintain equal liquid or gas phase inflows at different zones of the production zone. Equalized inflow, for instance, reduces the probability of gas breakthrough into oil production well and thus increases the oil recovery of the reservoir.
The well completion can be assembled from separate sections. Each section can have a chamber that collects the flow from the section's entire length. Maintaining equalized inflow requires matching the pressure drop between outside and inside of the well completion over the entire production zone length. This is achieved by using throttle devices arranged inside the each section chamber. The throttle devices develop hydraulic resistance to the flow and thus produce a pressure drop between the outer and inner sides of well completion. Therefore selecting the hydraulic parameters of the throttle devices allows adjusting the entire well completion system.
Known is (RU Patent 92905) a device for controlling the flow of liquid in the production or injection wells. Said device comprises a casing with the liquid inflow and outflow means connected to the network of channels for liquid or/and gas flow wherein said network of channels, which allows developing high hydraulic resistance to the flow.
A drawback of said device with respect to the task discussed herein is the difficult equipment adjustment procedure that precedes equipment installation into the well.
Known is (RU Patent 95026) is an annular flow rate limiting device for the liquid, gas or gas/liquid mixture flow in the well. Said flow rate limiting device comprises at least one flow rate limiting section the inflow part of which comprises at least one inflow channel, the outflow part of said flow rate limiting section has a stepwise increasing cross section area and comprises at least one step with two outflows, and the neck of said flow rate limiting section is located between said inflow part and said outflow part. A drawback of said device with respect to the task discussed herein is the impossibility of selecting and connecting the required number of flow rate limiting sections immediately before equipment installation into the well.
Patent search did not reveal any technical solution that could be used as the closest counterpart of this invention.
The object of this technical solution is to increase the oil recovery of the reservoir.
It is suggested to achieve said object by using the adaptive hybrid throttle and flow rate limiting chambers incorporated into the well completion system provided herein. Said adaptive throttle and flow rate limiting chamber of well completion system comprises a round-shaped casing containing at least one segment comprising at least one section of throttle and one flow rate limiting device section, and the flow is delivered to said segment from the end through the side channels, wherein each inflow unit allows closing the channel with a threaded cylindrical gate plug introduced through the camber casing.
In the preferred embodiment said chamber comprises 1 to 5 of said segments. Each segment may comprise 1 to 10 throttle sections for fine adjustment of the pressure drop between outer and inner sides of the completion. Preferably though not necessarily the height and the width of said throttle characteristic dimensions i.e. combs, grooves and channels is 1 to 10 mm. In most embodiments each section of said segment comprises two inflow units.
Said chamber substantially has two longitudinal flow supply channels for each segment. In some embodiments each segment of said chamber comprises up to 10 throttle sections and one flow rate limiting section with combs, grooves and channels of the same type and having similar heights and widths. The number of combs and grooves between said combs in the rows of the throttle section can be either the same or different. Preferably said flow rate limiting device section comprises at least one or more parallel fragments. At least one fragment of said flow rate limiting device section does not have an inflow unit and is rather directly connected to the throttle section. The subsequent fragments comprise inflow units for fine adjustment of the hydraulic parameters of said flow rate limiting device section. Each of said subsequent fragments may comprise one or more inflow units.
Flow supply to said throttle section and said flow rate limiting device section can be alternatively provided through the threaded opening in the chamber casing by unscrewing the cylindrical gate plug.
A valve can be preferably installed before and/or after said throttle section and said flow rate limiting device section. This design provides an adaptable chamber capable of being adjusted in accordance with changes of the liquid and/or gaseous phase inflow in time. The valves can be selected in accordance with the required parameters of the entire system. This is achieved by changing the inner section of the valve saddle and the mechanical rigidity of the gate actuator to set the required pressure drop for valve actuation (opening or closing) thus achieving the required flow rate. An advantage of said adaptable chamber is the guaranteed and known position of valves.
The drawing shows a developed view of the chamber along the outer diameter with the following notations: inflow channels 1, inflow unit 2 or threaded cylindrical gate plug installation place, throttle sections 3, flow rate limiting device section 4, flow rate limiting device fragment 5 and tubing discharge openings 6.
The device operates as follows. The flow is delivered to the inflow units 2 at the chamber butt-end through the inflow channels 1. After the inflow units the flow arrives at the throttle section 3. Opening of different inflow units of the throttle sections in different segments allows achieving the required hydraulic parameters of the entire chamber. After the throttle sections the flow arrives at the flow rate limiting device section 4 of the segment. There again, the number of open flow rate limiting device fragments 5 allows adjusting the hydraulic parameter of the entire chamber regarding gaseous phase flow rate limiting. After the flow rate limiting device section the flow through the discharge openings 6 arrives at the tubing. The inflow units of the chamber are opened by replacing a plug having a smaller cylindrical gate diameter. Alternatively, in case of absence of filter element in the completion sections the inflow can take place not from the end channels but directly from the casing side it can be simply opened by unscrewing the plug.
The adaptive chamber operates as follows. All the valves are open during installation. The liquid and/or gas flow passes through the throttle section and first open valve and arrives at the tubing. If the preset flow across the valve is exceeded or the pressure drop at the valve increases, the valve is closed. This closing operation changes the flow route across the chamber and directs the flow to the next throttle section. The hydraulic resistance of the chamber increases and hence the total flow decreases. If the flow exceeds the preset limit again, the next valve will be closed etc. The opening of all the valves in the chamber can be achieved by increasing pressure in the tubing, for instance. Following that all the valves are readjusted to suit the changing conditions as described above.
The closure of all the valves in the chamber can be achieved by increasing the pressure drawdown in the well. This operation precludes the uncontrolled opening of the valves until the external opening pressure is supplied.

Claims

What is claimed is a
1. Adaptable throttle and flow rate limiting chamber of well completion system comprising a round-shaped casing containing at least one segment comprising at least one section of throttle and one flow rate limiting section, and the flow is supplied to said segment from the butt through the side channels, wherein each inflow unit allows closing the channel with a threaded cylindrical gate plug introduced through the camber casing.
2. Chamber of Claim 1 wherein said chamber comprises 1 to 5 segments.
3. Chamber of Claim 1 wherein each segment comprises at least one flow supply channel to the throttle section and the flow rate limiting device section.
4. Chamber of Claim 1 wherein each throttle section and each flow rate limiting device section comprises at least one inflow unit.
5. Chamber of Claim 1 wherein each segment comprises a throttle section and a flow rate limiting device section with combs, grooves and channels of the same type and having similar heights and widths.
6. Chamber of Claim 1 wherein the height and width of the combs, grooves and channels is 1 to 10 mm.
7. Chamber of Claim 1 wherein each segment may comprise 1 to 10 throttle sections.
8. Chamber of Claim 7 wherein the number of combs and grooves between said combs in the rows of the throttle section can be either the same or different.
9. Chamber of Claim 1 wherein said flow rate limiting device section comprises at least one or more parallel fragments.
10. Chamber of Claim 9 wherein at least one fragment of said flow rate limiting device section does not have an inflow unit.
1 1. Chamber of Claim 9 wherein two or more parallel fragments of said flow rate limiting device section comprise one or more inflow units for adjusting the hydraulic parameters of said flow rate limiting device section.
12. Chamber of Claim 1 wherein flow delivery to said throttle section and said flow rate limiting device section is provided through the threaded opening in the chamber casing.
13. Chamber of Claim 1 wherein a valve is installed before and/or after said throttle section and said flow rate limiting device section.
PCT/RU2012/000354 2012-02-14 2012-05-04 Adaptive throttle and flow rate limiting chamber for well completion system WO2013122500A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2012104909 2012-02-14
RU2012104909/03A RU2490435C1 (en) 2012-02-14 2012-02-14 Adaptive throttle-limiting filtering chamber of well completion system

Publications (1)

Publication Number Publication Date
WO2013122500A1 true WO2013122500A1 (en) 2013-08-22

Family

ID=48984501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2012/000354 WO2013122500A1 (en) 2012-02-14 2012-05-04 Adaptive throttle and flow rate limiting chamber for well completion system

Country Status (2)

Country Link
RU (1) RU2490435C1 (en)
WO (1) WO2013122500A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9512702B2 (en) 2013-07-31 2016-12-06 Schlumberger Technology Corporation Sand control system and methodology

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2594235C2 (en) * 2014-08-26 2016-08-10 Общество с ограниченной ответственностью "ВОРМХОЛС Внедрение" Method of simultaneous separate operation of multi layer deposit and device for realizing said method
MY194833A (en) * 2015-11-09 2022-12-19 Weatherford Tech Holdings Llc Inflow control device having externally configurable flow ports and erosion resistant baffles
RU2643377C1 (en) * 2016-09-09 2018-02-01 Олег Николаевич Журавлев Method of equalizing fluid when injecting
RU173196U1 (en) * 2017-04-13 2017-08-16 Сергей Евгеньевич Варламов DEVICE FOR ALIGNING OIL WELL FLOW

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080217001A1 (en) * 2001-03-20 2008-09-11 Arthur Dybevik Flow control device for choking inflowing fluids in a well
RU92905U1 (en) * 2009-10-29 2010-04-10 Общество с ограниченной ответственностью "ВОРМХОЛС" DEVICE FOR MANAGING LIQUID FLOW COMING TO THE PRODUCING OR PUMPING WELL COLUMN
RU95026U1 (en) * 2010-02-15 2010-06-10 Общество с ограниченной ответственностью "ВОРМХОЛС" RING LIMITER OF LIQUID, GAS OR GAS-LIQUID MIXTURE IN A WELL
GB2476148A (en) * 2009-12-03 2011-06-15 Baker Hughes Inc Method of making a flow control device that reduces flow of the fluid when a selected property of the fluid is in a selected range

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7469743B2 (en) * 2006-04-24 2008-12-30 Halliburton Energy Services, Inc. Inflow control devices for sand control screens
US8312931B2 (en) * 2007-10-12 2012-11-20 Baker Hughes Incorporated Flow restriction device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080217001A1 (en) * 2001-03-20 2008-09-11 Arthur Dybevik Flow control device for choking inflowing fluids in a well
RU92905U1 (en) * 2009-10-29 2010-04-10 Общество с ограниченной ответственностью "ВОРМХОЛС" DEVICE FOR MANAGING LIQUID FLOW COMING TO THE PRODUCING OR PUMPING WELL COLUMN
GB2476148A (en) * 2009-12-03 2011-06-15 Baker Hughes Inc Method of making a flow control device that reduces flow of the fluid when a selected property of the fluid is in a selected range
RU95026U1 (en) * 2010-02-15 2010-06-10 Общество с ограниченной ответственностью "ВОРМХОЛС" RING LIMITER OF LIQUID, GAS OR GAS-LIQUID MIXTURE IN A WELL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9512702B2 (en) 2013-07-31 2016-12-06 Schlumberger Technology Corporation Sand control system and methodology

Also Published As

Publication number Publication date
RU2490435C1 (en) 2013-08-20

Similar Documents

Publication Publication Date Title
CA2788585C (en) Flow control device and flow control method
RU2513570C1 (en) Self-contained well inflow control device and methods for use thereof
WO2013122500A1 (en) Adaptive throttle and flow rate limiting chamber for well completion system
EP3194714B1 (en) Autonomous flow control system and methodology
NO333068B1 (en) A method for controlling the flow of hydrocarbon fluid from a production zone into a production well and well tools for controlling the flow of fluid from an underground production zone
NO20140201A1 (en) Chemical Dosing System
NO336111B1 (en) Gas shut-off system and method in a well
US20110056700A1 (en) System and method for recompletion of old wells
EA015218B1 (en) Gas valve and production tubing with a gas valve
US10041338B2 (en) Adjustable autonomous inflow control devices
NO343725B1 (en) VALVE DEVICE FOR A PRODUCTION PIPE
US20120292034A1 (en) Dual Barrier Side Pocket Mandrel
NO320173B1 (en) Method and apparatus for controlling a fluid flow between the outside and inside of a source tube
CA3189517A1 (en) Density constant flow device with flexible tube
US10597990B2 (en) Gas lift valve
NO340334B1 (en) Flow control device, flow control method and use thereof
AU2020483334A1 (en) Density constant flow device using a changing overlap distance
JP2016217492A5 (en)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12868635

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12868635

Country of ref document: EP

Kind code of ref document: A1