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WO2007126331A1 - Procédé d'exploitation d'un dispositif à jet pour la mise en valeur et l'exploitation de puits de gaz ou de pétrole - Google Patents

Procédé d'exploitation d'un dispositif à jet pour la mise en valeur et l'exploitation de puits de gaz ou de pétrole Download PDF

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Publication number
WO2007126331A1
WO2007126331A1 PCT/RU2007/000100 RU2007000100W WO2007126331A1 WO 2007126331 A1 WO2007126331 A1 WO 2007126331A1 RU 2007000100 W RU2007000100 W RU 2007000100W WO 2007126331 A1 WO2007126331 A1 WO 2007126331A1
Authority
WO
WIPO (PCT)
Prior art keywords
well
jet pump
liner
support sleeve
bypass
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/RU2007/000100
Other languages
English (en)
Russian (ru)
Inventor
Zinoviy Dmitrievich Khomynets
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2007126331A1 publication Critical patent/WO2007126331A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • E21B43/121—Lifting well fluids
    • E21B43/124—Adaptation of jet-pump systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/464—Arrangements of nozzles with inversion of the direction of flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/54—Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type

Definitions

  • the invention relates to the field of pumping technology, mainly to methods of operating an inkjet unit during the development and operation of oil and gas wells.
  • a well-known method for operating a downhole jet installation is that the active medium is fed through a pipe string to the nozzle of a jet pump, which, flowing out of it, entrains the pumped liquid medium into the mixing chamber, from the latter a mixture of media is sent to a diffuser, where the kinematic energy of the flow is partially converted into potential energy, and from the diffuser through the backwaters.
  • a mixture of media is supplied to the consumer, while the physical parameters of the pumped-out medium and the reservoir (pressure, density, gas saturation, solid phase content, temperature, flow rate, flow rate, etc.) are measured at the pump inlet using a device including emitters and receivers -converters of physical fields, and transmit via cable to the surface, moreover, by changing the flow rate and pressure of the active medium, carry out the necessary measurements and select the optimal operating mode of the jet pump, and, if necessary, produce treatment of the pumped-out medium and the reservoir (heating, ultrasonic crushing of the mud, etc.) using emitters of physical fields (RU 2059891 Cl).
  • the known method of operation of the jet installation allows for pumping from the well of various produced environments, for example, oil with simultaneous processing and research of the produced medium and the near-wellbore zone of the formation, however, in this installation, which implements the known method, the working medium is supplied to the nozzle of the jet apparatus through a pipe string, which in some cases narrows its use.
  • the closest to the invention in technical essence and the achieved result is a method of operating a well jet installation, which consists in lowering a pipe string with a packer and a casing into the well and placing the packer above the reservoir, bringing the packer into working position, separating the borehole surrounding the pipe string , insert the liner with the jet pump and the sealing assembly into the pipe string and the instruments and equipment placed below the liner on the cable, fix the liner with the jet by means of a locking mechanism, an active medium is pumped into the annular space surrounding the pipe string, which is formed at the outlet of the nozzle into a stable jet, entraining its environment into the jet pump, which causes a decrease in pressure, first in the supply channel of the pumped medium, and then in the under-packer space wells, creating a depression on the reservoir, a mixture of media due to the energy of the working medium through the pipe string comes from the well to the surface, and during pumping out of the reservoir using Equipment and devices installed on the cable monitor the parameters of the pumped-out formation medium
  • This method of operation allows various technological operations in the well below the installation level jet pump, including by reducing the differential pressure above and below the sealing unit.
  • this method does not allow to fully use the capabilities of the well installation that implements it, which is associated with the limited structural capabilities of the well jet installation when conducting studies of productive formations in the well, as well as when injecting acid solutions and fracturing fluids into the formation.
  • the object to which the present invention is directed is to expand the technological capabilities of the method of operating a downhole jet unit during the development, operation and other work in the well.
  • the liner with the jet pump can be removed from the support sleeve without lifting the pipe string to the surface and into the well through the pipe string and through the support sleeve in the housing, liquid medium can be supplied to flush the bottom of the well or install a cement bridge.
  • the liner with a jet pump can be returned to the seat in the support sleeve to continue work on the development or repair of wells, as well as to remove reaction products or fracturing fluid. Installation of various inserts with the jet pump is possible. As a result, during the development and operation of a well using a downhole jet installation, an opportunity conduct research under various operating conditions, both before processing the reservoir, and after such processing.
  • Figure 1 shows a longitudinal section of a downhole jet unit without a liner.
  • Figure 2 presents a longitudinal section of a downhole jet unit with a liner installed and a wireline cable with a perforator passed through the liner.
  • Fig.3 shows a longitudinal section of a downhole jet unit with an installed liner and attached to it by an autonomous pressure gauge.
  • a downhole jet installation for implementing the proposed method of operation comprises a housing 1 in which bypass windows 2 are made and a liner 3 with an inkjet pump 4 is installed.
  • the insert 3 there is a channel 5 for supplying an active medium to the nozzle 6 of the jet pump 4, a channel 7 for supplying a pumped medium to the jet pump 4 and an output channel 8.
  • the channel 7 for supplying a pumped medium is in communication with the passage channel 9 made in the insert 3.
  • the pumped medium is supplied in the passage channel 9, a seat 10 is made on which a sealing unit 11 is installed in the passage channel 9.
  • the axial channel 12 is made in the latter with the possibility of passage through him and the passage channel 9 of the logging cable 13 for attaching to it located below the liner 3 of the punch 14 or, if necessary, other instruments and equipment with the ability to move them along the wellbore with a working or idle jet pump 4.
  • the output channel 8 is in communication with the internal cavity 15 of the housing 1 above the jet pump 4.
  • an axially movable support sleeve 17 is mounted, spring-loaded relative to the housing 1 by means of a spring 18.
  • the seat 19 is made in the support sleeve 17 flax liner 3 with a jet pump 4, and in the sleeve 17 are made bypass holes 20, through which the bypass windows 2 of the housing 1 in the extreme lower position of the support sleeve 17 channel 5 for supplying the active medium is in communication with the annular space 21 surrounding the housing 1.
  • the supporting sleeve 17 under the bypass holes 20 has a larger diameter than its upper part 22, and is made in the form of a flange 23.
  • the gap 24 Between the inner surface of the housing 1 and the outer surface of the supporting sleeve 17 is a gap 24.
  • the flange 23 of the supporting sleeve 17 is placed in the housing 1 under the bypass windows 2 in the annular boring 25.
  • the annular boring 25 is made with the formation in the housing 1 of the upper and lower ends 26. The movement of the support sleeve 17 down is limited by the lower end 26, and its upward movement is limited by the upper end 26.
  • the liner 3 can be made with a standalone pressure gauge 27 attached to it, and a depression insert 28 with a profiled head 29 made on it can be installed on the seat 10 in the passage channel 9 interacting with a fishing tool to remove the liner 3 with the jet pump 4 from the well.
  • the housing 1 is attached to the pipe string 30. Below the housing 1 to the pipe string 30 are attached a packer 31 with an axial channel 32 and a shank 33 with an inlet funnel 34.
  • the proposed method of operation of a downhole jet installation is as follows.
  • the casing 1 of the jet pump 4, the packer 31 with the axial channel 32 and the liner 33 with the inlet funnel 34 are sequentially attached from the top to the bottom of the pipe string 30.
  • the assembly of the pipe string 30 is lowered into the well, while the inlet funnel 34 is installed over the roof of the reservoir 35.
  • the sealing unit 11 is installed t on the seat 10 in the passage channel 9 of the insert 3, and a perforator 14 is connected to the lower end of the wireline 13.
  • the perforator 14 is placed using the logging cable 13 in the well opposite the reservoir 35.
  • the well bore 21 and the bypass ports 2 of the housing 1 feed an active medium, for example, natural gas or liquid nitrogen, into the gap 24 between the housing 1 and the support second sleeve 17 and thus, acting on the flange 23 of the supporting sleeve 17 moves the spring-loaded supporting sleeve 17 all the way down, thus combining the bypass openings 20 of the support bushings 17 with bypass windows 2 of the housing 1, and through the bypass holes 20, the active medium is fed into the channel 5 for supplying the active medium and then to the nozzle 6 of the jet pump 4 with the formation of a stable jet at the outlet of the nozzle 6, which, flowing out of the nozzle b, causes a decrease pressure first in the channel 7 for supplying the pumped-out medium, and then in the inner cavity of the pipe string 30
  • an active medium for example, natural gas or liquid nitrogen
  • the reservoir is perforated by blasting the perforator 14 for 35 s subsequent drainage of the well. Then, the flow of the active medium into the nozzle 6 of the jet pump is stopped and, thereby, the drainage of the formation 35 is stopped and the support sleeve 17 with the liner 3 is moved to the upper position under the action of the spring 18 and thus isolate the inner cavity of the pipe string 30 from the annular space 21. After that, using the wireline 13 is removed to the surface of the liner 3 with the jet pump 4 and the remains of the perforator 14 and then through the pipe string 30 and the housing 1 of the jet pump 4 is pumped into the reservoir 35 acid solution or hydraulic fracturing va.
  • the liner 3 with the jet pump 4 is lowered into the well on the logging cable 13, while the logging cable 13 is previously passed through the axial channel 12 of the sealing unit 11, as well as through the passage channel 9 of the liner.
  • the sealing assembly 11 is mounted on the seat 10 in the passage channel 9.
  • a geophysical instrument 14 is connected to the lower end of the logging cable 14.
  • a liner 3 with the jet pump 4 and the sealing assembly 11 is mounted on the seating 19 of the support sleeve 17, and the geophysical instrument 14 is lowered to bottom hole, recording physical mountain fields rocks from the input funnel 34 to the bottom of the well.
  • the annular space 21 of the well and the bypass windows 2 of the housing 1 feed the active medium into the gap 24 between the housing 1 and the support sleeve 17 and thus, acting on the flange 23 of the support sleeve 17, move the spring-loaded support sleeve 17 down to the stop, while combining the bypass holes 20 of the sleeve 17 with the bypass windows 2 of the housing 1, and through the bypass holes 20, the active medium is fed into the channel 5 for supplying the active medium and then into the nozzle 6 of the jet pump 4 with the formation of a stable jet at the outlet of the nozzle 6 , which, flowing out of the nozzle 6, causes a decrease in pressure, first in the channel 7 for supplying the pumped-out medium, and then in the inner cavity of the pipe string 30 below the housing 1 of the jet pump 4, creating a depression in the well on the reservoir 35.
  • the active medium is pumped out of the reservoir 35 reaction products or hydraulic fracturing fluid, and after the well is drained while the jet pump 4 is operating, the geophysical instrument 14 is raised using the logging cable 13 to the inlet funnel 34, recording the physical parameters of the rocks using the latter along the wellbore.
  • the drainage of the formation 35 is stopped and thereby the supporting sleeve 17 with the liner 3 is moved to the upper position under the action of the spring 18 and the inner cavity of the pipe string 30 is isolated from the annular space 21.
  • the liner 3 with the jet pump is removed to the surface 4 and the geophysical instrument 14, and then start the well into operation in a fountain way.
  • the present invention can be used in the oil and gas industry in testing, developing and operating oil and gas condensate wells, as well as in their overhaul.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

La présente invention se rapporte à des dispositifs à jet destinés à la mise en valeur et à l'exploitation de puits de gaz ou de pétrole. L'invention est caractérisée en ce qu'elle permet de doter un dispositif de différents modes de fonctionnement aux fins de mise en valeur, d'exploitation, d'essai et de réparation, grâce au montage, dans le corps d'une pompe à jet, d'un coussinet de support à ressort qui est doté d'orifices de dérivation et d'un siège de montage et peut être déplacé par un milieu actif agissant sur son rebord. Une pièce rapportée dotée de la pompe à jet et d'une unité d'étanchéisation traversée par un câble de diagraphie est périodiquement montée sur le siège de montage du coussinet de support. Une foreuse ou un appareil géophysique sont reliés audit câble. En outre, les fenêtres de dérivation du corps sont recouvertes par le coussinet de support ou le déplacent vers le bas jusqu'à une butée, de façon à faire coïncider les orifices de dérivation du coussinet de support avec les fenêtres de dérivation du corps. Le procédé selon l'invention consiste, à l'aide desdites manipulations effectuées sous vide, à perforer la couche de production puis à drainer le puits, à verser une solution acide ou un fluide de fracturation dans la couche de production, puis à faire fonctionner le puits à l'aide d'un procédé de remontée naturelle.
PCT/RU2007/000100 2006-05-02 2007-03-02 Procédé d'exploitation d'un dispositif à jet pour la mise en valeur et l'exploitation de puits de gaz ou de pétrole Ceased WO2007126331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2006114605 2006-05-02
RU2006114605/06A RU2307959C1 (ru) 2006-05-02 2006-05-02 Способ работы струйной установки эмпи угис (31-40)г при освоении и эксплуатации нефтегазовых скважин

Publications (1)

Publication Number Publication Date
WO2007126331A1 true WO2007126331A1 (fr) 2007-11-08

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PCT/RU2007/000100 Ceased WO2007126331A1 (fr) 2006-05-02 2007-03-02 Procédé d'exploitation d'un dispositif à jet pour la mise en valeur et l'exploitation de puits de gaz ou de pétrole

Country Status (2)

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RU (1) RU2307959C1 (fr)
WO (1) WO2007126331A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2449182C1 (ru) * 2010-11-13 2012-04-27 Зиновий Дмитриевич Хоминец Скважинная струйная установка для селективного испытания пластов
US10450813B2 (en) 2017-08-25 2019-10-22 Salavat Anatolyevich Kuzyaev Hydraulic fraction down-hole system with circulation port and jet pump for removal of residual fracking fluid
CN112513411A (zh) * 2018-07-18 2021-03-16 沙特阿拉伯石油公司 地下压裂方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2399759C1 (ru) * 2009-05-05 2010-09-20 Открытое Акционерное Общество "Газпромнефть-Ноябрьскнефтегазгеофизика" Способ исследования скважины на депрессии до начала добычи и устройство для его осуществления
RU2471975C2 (ru) * 2011-01-13 2013-01-10 Виктор Семенович Валеев Способ освоения и эксплуатации нефтедобывающих скважин
CN106948804B (zh) * 2017-05-09 2024-03-22 广东迅维科技发展有限公司 一种连续油管光缆测井装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744730A (en) * 1986-03-27 1988-05-17 Roeder George K Downhole jet pump with multiple nozzles axially aligned with venturi for producing fluid from boreholes
RU2059891C1 (ru) * 1989-06-14 1996-05-10 Зиновий Дмитриевич Хоминец Скважинная струйная установка
RU2129672C1 (ru) * 1998-06-19 1999-04-27 Зиновий Дмитриевич Хоминец Струйная скважинная установка (варианты)
US20040071557A1 (en) * 2001-04-05 2004-04-15 Khomynets Zinoviy Dmitrievich Well jet device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744730A (en) * 1986-03-27 1988-05-17 Roeder George K Downhole jet pump with multiple nozzles axially aligned with venturi for producing fluid from boreholes
RU2059891C1 (ru) * 1989-06-14 1996-05-10 Зиновий Дмитриевич Хоминец Скважинная струйная установка
RU2129672C1 (ru) * 1998-06-19 1999-04-27 Зиновий Дмитриевич Хоминец Струйная скважинная установка (варианты)
US20040071557A1 (en) * 2001-04-05 2004-04-15 Khomynets Zinoviy Dmitrievich Well jet device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2449182C1 (ru) * 2010-11-13 2012-04-27 Зиновий Дмитриевич Хоминец Скважинная струйная установка для селективного испытания пластов
US10450813B2 (en) 2017-08-25 2019-10-22 Salavat Anatolyevich Kuzyaev Hydraulic fraction down-hole system with circulation port and jet pump for removal of residual fracking fluid
CN112513411A (zh) * 2018-07-18 2021-03-16 沙特阿拉伯石油公司 地下压裂方法
CN112513411B (zh) * 2018-07-18 2023-12-29 沙特阿拉伯石油公司 地下压裂方法

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