WO2021003092A1 - Bandes de substrat traitées chimiquement dans des écrans pour filtre à gravier à trous ouverts et écrans autonomes - Google Patents

Bandes de substrat traitées chimiquement dans des écrans pour filtre à gravier à trous ouverts et écrans autonomes Download PDF

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Publication number
WO2021003092A1
WO2021003092A1 PCT/US2020/040108 US2020040108W WO2021003092A1 WO 2021003092 A1 WO2021003092 A1 WO 2021003092A1 US 2020040108 W US2020040108 W US 2020040108W WO 2021003092 A1 WO2021003092 A1 WO 2021003092A1
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WO
WIPO (PCT)
Prior art keywords
inhibitor
strip
production string
base pipe
fluid
Prior art date
Application number
PCT/US2020/040108
Other languages
English (en)
Inventor
Merrie Michelle HUSKEY
Charles Alexander Mcclean
David Alexander
Original Assignee
Baker Hughes Oilfield Operations Llc
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 Baker Hughes Oilfield Operations Llc filed Critical Baker Hughes Oilfield Operations Llc
Publication of WO2021003092A1 publication Critical patent/WO2021003092A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing, limiting or eliminating the deposition of paraffins or like substances
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/02—Subsoil filtering
    • E21B43/08—Screens or liners
    • E21B43/088—Wire screens

Definitions

  • a production system is used in a wellbore in order to draw fluid from a formation surrounding the wellbore and deliver that fluid to a surface location.
  • the fluid from the formation generally includes various chemicals that will deposit on any of the tubulars, screens, pumps, and any other components it comes into contact with as it travels to the surface, thereby forming compositional material such as scale, paraffin, and asphaltenes on these components.
  • compositional material such as scale, paraffin, and asphaltenes on these components.
  • Such build-up of compositional material can create a significant restriction in the production string, eventually inhibiting the flow of fluid from the formation. Therefore, there is a desire to be able to prevent build-up in a production system.
  • a method of preventing production of a compositional material in a production string includes disposing an inhibitor strip in a fluid inflow device of the production string and receiving a fluid at the fluid inflow device from a formation at the inhibitor strip, wherein a chemical inhibitor of the inhibitor strip interacts with a chemical in the fluid to reduce the production of the compositional material in the production string.
  • a production string in another aspect, includes a fluid inflow device and an inhibitor strip disposed in contact with the fluid inflow device, the inhibitor strip including a chemical inhibitor therein to interact with chemicals in a fluid flowing through the fluid inflow device to reduce the production of a compositional material in the production string.
  • FIG. 1 shows an illustrative production system
  • FIG. 2A shows a section of the production string having a fluid inflow device capable of reducing or preventing the scale production within the production string;
  • FIG. 2B shows a detailed view of the first fluid inflow device of FIG. 2 A;
  • FIG. 3 shows an illustrative inhibitor strip for disposal between the base pipe and wire screen of FIG. 2B,
  • FIGS. 4 A and 4B shows cross sections of an inhibitor strip in different embodiments
  • FIG. 5 shows a perspective view of a partially constructed fluid inflow device
  • FIG. 6 shows a perspective view of a subsequent construction stage of the fluid inflow device
  • FIG. 7 shows a perspective view of the fluid inflow device in another embodiment.
  • the production system 100 includes a production string 102 extending from wellhead 104 located at a surface location 106 into a wellbore 108 formed in a formation 110.
  • the production string 102 includes a plurality of tubular members attached end to end, such as tubular members 102a, 102b, and 102c.
  • the production string 102 extends through the formation 110 to reach a reservoir 112 in the formation.
  • the production string 102 further includes at least one section having a fluid inflow device 114. While only a single fluid inflow device 114 is shown for illustrative purposes, in various embodiments, a plurality of fluid inflow devices and related components can be deployed along the production string 102.
  • production string 102 is disposed in the wellbore 108 so as to place the fluid inflow device 114 within the reservoir 112.
  • Packers 120 and 122 can be deployed from the production string 102 in order to isolate an annular section 124 of the wellbore 108 between the fluid inflow device 114 and the reservoir 112 to allow the flow of fluid from the reservoir 112 into the fluid inflow device 114.
  • a pump 128 can be used to pump or direct fluid from the reservoir 112 to the surface location 106.
  • the fluid 125 is pumped from the reservoir 112 into the production string 102 via the fluid inflow device 114, up through the tubular member 102a, 102b, 102c to reach the wellhead 104 at the surface location 106 through the production string 102.
  • a standpipe 132 at the surface location is used to direct the fluid from the wellhead 104 to a storage facility 130.
  • the fluid 125 includes therein various chemicals which are responsible for a growth of scale on various surfaces of the production system that come into contact with the fluid 125. These chemicals precipitate from the fluid 125 due to changes in pressure and temperature as the fluid flows through the production system and settles on the various surfaces and/or components.
  • This precipitated material, or compositional material refers to scale, paraffin, and/or asphaltene and can result in reduced flow channels in the production string, destruction of the pump 128, as well as difficulties in downstream refining.
  • FIG. 2 A shows a section 200 of the production string 102 having a fluid inflow device capable of reducing or preventing the production of compositional material within the production string 102.
  • the section 200 includes a first fluid inflow device 202 and a second fluid inflow device 204.
  • a first connector 206 couples the first fluid inflow device 202 to the second fluid inflow device 204.
  • a second connector 208 can also be used to connect the first fluid inflow device 202 to other components of the production string 102, including other fluid inflow devices.
  • FIG. 2B shows a detailed view of the first fluid inflow device 202 of FIG. 2 A.
  • the first fluid inflow device 202 includes a base pipe 210 having perforations 212 therein to allow fluid from the formation to flow into an interior 214 of the base pipe 210 and uphole through the production string 102.
  • the base pipe 210 is surrounded by at least one wire screen 216 circumferentially surrounding the base pipe 210 and separated from the base pipe by an annular region 215.
  • the wire screen 216 has holes or apertures that are sized to selectively allow fluid into the first fluid inflow device 202 while keeping out particles greater than the size of the holes.
  • the annular region 215 between the base pipe 210 and the wire screen 216 includes one or more scale inhibitor strips 218 disposed therein. Details of the inhibitors strips 218 are shown in FIGS. 3, 4 A and 4B.
  • FIG. 3 shows an illustrative inhibitor strip 218 for disposal between the base pipe 210 and wire screen 216 of FIG. 2B.
  • the inhibitor strip 218 is in the shape of a rectangular cuboid having a length /, width w and thickness t.
  • the thickness of the inhibitor strip 218 is selected to allow the inhibitor strip 218 to fit within the annular region 215 between the wire screen 216 and the base pipe 210.
  • the width of the inhibitor strip 218 can be selected to fit along the curved surface of the base pipe to suitable approximation.
  • FIGS. 4 A and 4B shows cross sections of an inhibitor strip 218 in different embodiments.
  • FIG. 4 A shows a cross-section 400 of a coated inhibitor strip 218.
  • the cross- section 400 shows a base material 402 having a coating of a chemical inhibitor 404 surrounding its surface.
  • FIG. 4B shows a cross-section 401 in which the inhibitor strip 218 includes a base material 402 that is impregnated with the chemical inhibitor 404.
  • the chemical inhibitor 404 reacts with chemicals in the fluid responsible for compositional material production, thereby preventing or reducing scale, paraffin, and/or asphaltene productions.
  • the inhibitor can be a chemical that interacts with chemicals in the formation fluid that otherwise result in scale, paraffin, and/or asphaltene production.
  • the chemical inhibitor in or on the inhibitor strips becomes depleted due to the interactions with the chemicals in the fluid.
  • the inhibitor strips can be recharged by flowing a fluid chemical inhibitor into the wellbore and into contact with the inhibitor strips.
  • FIG. 5 shows a perspective view 500 of a partially constructed fluid inflow device.
  • the perspective view 500 includes the base pipe 210 and a first cylindrical arrangement 502 of inhibitor strips 218 arranged around a circumference of the base pipe.
  • the lengths of the inhibitor strips 218 extend or are elongated along a longitudinal axis of the base pipe 210.
  • the first cylindrical arrangement 502 covers a first axial section 504 of the base pipe.
  • a second axial section 506 of the base pipe is shown uncovered.
  • FIG. 6 shows a perspective view 600 of a subsequent construction stage of the fluid inflow device.
  • a second cylindrical arrangement 602 of inhibitor strips 218 are shown around the second axial section 506 of the base pipe 210.
  • the wire screen 610 is shown over a section of the first cylindrical arrangement 502. During construction the wire screen 610 can slide along the longitudinal axis of the base pipe 210 to encapsulate each cylindrical arrangement once completed.
  • FIG. 7 shows a perspective view 700 of the fluid inflow device in another embodiment.
  • a plurality of dividers 702 are formed between the base pipe 710 and the wire screen 716 to form a plurality of drainage channels 704.
  • Inhibitor strips 218 are disposed within the drainage channels, thereby causing the fluid to flow across the inhibitors strips 218 as it flows from the wire screen 716 to the base pipe 710 via the drainage channels.
  • Embodiment 1 A method of preventing production of a compositional material in a production string. The method includes disposing an inhibitor strip in a fluid inflow device of the production string; and receiving a fluid at the fluid inflow device from a formation at the inhibitor strip, wherein a chemical inhibitor of the inhibitor strip interacts with a chemical in the fluid to reduce the production of the compositional material in the production string.
  • Embodiment 2. The method of any prior embodiment, wherein the fluid inflow device includes a base pipe and a screen forming an annular region around the base pipe, further comprising disposing the inhibitor strip in a channel between the base pipe and the screen.
  • Embodiment 3 The method of any prior embodiment, wherein the screen and the base pipe form one or more drainage channels, further comprising disposing the inhibitor strip in the one or more drainage channels.
  • Embodiment 4 The method of any prior embodiment, wherein the inhibitor strip is elongated along a longitudinal axis of the base pipe.
  • Embodiment 5 The method of any prior embodiment, wherein disposing the inhibitor strip further comprising placing a plurality of inhibitor strips circumferentially around an axial section of the base pipe.
  • Embodiment 6 The method of any prior embodiment, wherein the inhibitor strip includes a base material that is one of: (i) coated with the chemical inhibitor; and (ii) impregnated with the chemical inhibitor.
  • Embodiment 7 The method of any prior embodiment, further comprising recharging the inhibitor strip with the chemical inhibitor at its location in the wellbore.
  • Embodiment 8 The method of any prior embodiment, wherein the compositional material includes at least one of scale, paraffin and asphaltene.
  • Embodiment 9 A production string.
  • the production string includes a fluid inflow device and an inhibitor strip disposed in contact with the fluid inflow device, the inhibitor strip including a chemical inhibitor therein to interact with chemicals in a fluid flowing through the fluid inflow device to reduce the production of a compositional material in the production string.
  • Embodiment 10 The production string of any prior embodiment, further comprising a base pipe of the fluid inflow device, and a screen forming an annular region around the base pipe; wherein the inhibitor strip is disposed within the annular region.
  • Embodiment 11 The production string of any prior embodiment, further comprising one or more drainage channels between the base pipe and the screen, wherein the inhibitor strip is disposed within the one or more drainage channels.
  • Embodiment 12 The production string of any prior embodiment, wherein the inhibitor strip is elongated along a longitudinal axis of the base pipe.
  • Embodiment 13 The production string of any prior embodiment, wherein the inhibitor strip further comprises a plurality of inhibitor strips disposed circumferentially around an axial section of the base pipe.
  • Embodiment 14 The production string of any prior embodiment, wherein the inhibitor strip includes a base material that is one of: (i) coated with the chemical inhibitor; and (ii) impregnated with the chemical inhibitor.
  • Embodiment 15 The production string of any prior embodiment, wherein the inhibitor strip is capable of being recharged with additional chemical inhibitor when deployed in a wellbore.
  • the teachings of the present disclosure may be used in a variety of well operations. These operations may involve using one or more treatment agents to treat a formation, the fluids resident in a formation, a wellbore, and / or equipment in the wellbore, such as production tubing.
  • the treatment agents may be in the form of liquids, gases, solids, semi-solids, and mixtures thereof.
  • Illustrative treatment agents include, but are not limited to, fracturing fluids, acids, steam, water, brine, anti-corrosion agents, cement, permeability modifiers, drilling muds, emulsifiers, demulsifiers, tracers, flow improvers etc.
  • Illustrative well operations include, but are not limited to, hydraulic fracturing, stimulation, tracer injection, cleaning, acidizing, steam injection, water flooding, cementing, etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne une chaîne de production et un procédé de prévention de l'accumulation d'un matériau de composition dans une chaîne de production. Une bande d'inhibiteur est disposée dans un dispositif d'entrée de fluide de la chaîne de production. Le fluide est reçu au niveau de la bande d'inhibiteur dans le dispositif d'entrée de fluide à partir d'une formation. La bande d'inhibiteur comprend un inhibiteur chimique qui entre en interaction avec un produit chimique dans le fluide pour réduire la production du matériau de composition dans la chaîne de production.
PCT/US2020/040108 2019-07-02 2020-06-29 Bandes de substrat traitées chimiquement dans des écrans pour filtre à gravier à trous ouverts et écrans autonomes WO2021003092A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/460,526 2019-07-02
US16/460,526 US20210002983A1 (en) 2019-07-02 2019-07-02 Chemically treated substrate strips in screens for open hole gravel packing and stand alone screens

Publications (1)

Publication Number Publication Date
WO2021003092A1 true WO2021003092A1 (fr) 2021-01-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2020/040108 WO2021003092A1 (fr) 2019-07-02 2020-06-29 Bandes de substrat traitées chimiquement dans des écrans pour filtre à gravier à trous ouverts et écrans autonomes

Country Status (2)

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US (1) US20210002983A1 (fr)
WO (1) WO2021003092A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050022994A1 (en) * 2003-07-30 2005-02-03 Conocophillips Company Well chemical treatment utilizing plunger lift delivery system
WO2010061309A1 (fr) * 2008-11-26 2010-06-03 Schlumberger Canada Limited Régulation de la perte de fluide dans des opérations de complétion de puits de forage
US8950491B2 (en) * 2012-01-06 2015-02-10 Odessa Separator, Inc. Downhole assembly for treating wellbore components, and method for treating a wellbore
US20160024895A1 (en) * 2012-10-17 2016-01-28 Absolute Completion Technologies Ltd. Wellbore screen, filter medium, and method
CN107614657A (zh) * 2015-03-27 2018-01-19 卡博陶粒有限公司 用于使用支撑剂表面化学和内部孔隙率来固结支撑剂微粒的方法和组合物

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7195070B2 (en) * 2004-07-15 2007-03-27 Weatherford/Lamb, Inc. Method and apparatus for downhole artificial lift system protection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050022994A1 (en) * 2003-07-30 2005-02-03 Conocophillips Company Well chemical treatment utilizing plunger lift delivery system
WO2010061309A1 (fr) * 2008-11-26 2010-06-03 Schlumberger Canada Limited Régulation de la perte de fluide dans des opérations de complétion de puits de forage
US8950491B2 (en) * 2012-01-06 2015-02-10 Odessa Separator, Inc. Downhole assembly for treating wellbore components, and method for treating a wellbore
US20160024895A1 (en) * 2012-10-17 2016-01-28 Absolute Completion Technologies Ltd. Wellbore screen, filter medium, and method
CN107614657A (zh) * 2015-03-27 2018-01-19 卡博陶粒有限公司 用于使用支撑剂表面化学和内部孔隙率来固结支撑剂微粒的方法和组合物

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