US20100139918A1 - Method to prevent well sanding using gravel packing - Google Patents

Method to prevent well sanding using gravel packing Download PDF

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Publication number
US20100139918A1
US20100139918A1 US12/570,838 US57083809A US2010139918A1 US 20100139918 A1 US20100139918 A1 US 20100139918A1 US 57083809 A US57083809 A US 57083809A US 2010139918 A1 US2010139918 A1 US 2010139918A1
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US
United States
Prior art keywords
well
gravel pack
sanding
gravel
fact
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.)
Abandoned
Application number
US12/570,838
Inventor
Elena Aleksandrovna Borisova
Mikhail Yurievich Spasennykh
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.)
Schlumberger Technology Corp
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Schlumberger Technology Corp
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 RU2008138639/03A external-priority patent/RU2381350C1/en
Priority claimed from RU2008138640/03A external-priority patent/RU2386025C1/en
Application filed by Schlumberger Technology Corp filed Critical Schlumberger Technology Corp
Priority to US12/572,562 priority Critical patent/US20110073309A1/en
Publication of US20100139918A1 publication Critical patent/US20100139918A1/en
Abandoned legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open

Definitions

  • This invention is related to methods of well sanding prevention, particularly to the technologies of gravel pack making, and may be used for underground formations treatment, particularly for operations to prevent sand inrush from the oil formation into the well.
  • Gravel packs are used to prevent well sanding.
  • a typical operation for filling the pack with gravel is installation of a mesh filter in the well and placement of gravel between the filter and perforated casing string.
  • the gravel prevents sand inrush from the reservoir into the well and formation fluids are filtered into the well through the gravel and mesh filter.
  • the gravel pack may also be applied without installing the pack into the well.
  • the task to be solved through this invention consists in the creation of a simple and efficient method of well sanding prevention using gravel pack, including gravel pack placement in the well, where a new type of bulk material with a crushing strength and chemical inertness is used as the gravel pack for underground formations treatment.
  • the technical result to be attained in the implementation of the technical solution claimed consists in the assurance of a better filtration of sand and fines through a more uniform distribution of the gravel pack as polyDCPD, its high thermal stability and high crushing strength. Due to the fact that the specific density of the particles is close to 1, precipitation of the gravel pack particles during the gravel pack precoating is eliminated which is especially important for horizontal boreholes. Besides, due to the lower filler density less viscous carrier fluids may be applied which ensures reduced friction during the injection.
  • the gravel-pack well sanding prevention method including the gravel pack placement in the well uses bulk material represented by polydicyclopentadiene (hereinafter referred to as polyDCPD) particles.
  • polyDCPD particles may have various shapes, e.g., spherical, elongated, polygonal, cubical, they may be made as fibers.
  • the polyDCPD filler may be additionally strengthened using filler, like clay or silicon dioxide, or ceramics, of fibers.
  • This invention is related to the gravel-pack well sanding prevention method including the gravel pack placement in the well using polyDCPD materials as the gravel pack.
  • the polyDCPD gravel pack particles may have any dimensions and shape in any combinations.
  • PolyDCPD material has crushing strength up to 60 MPa and density of about 0.95 . . . 1.03 g/cm 3 . Therefore polyDCPD particles may be in suspended state and carried by the fracture fluid.
  • the advantage is better sand and fines filtration resulting from the denser and more uniform polyDCPD particles' distribution, its higher thermal stability and crushing strength. Due to the fact that the specific density of the particles is close to 1, precipitation of the gravel pack particles during the gravel pack precoating is eliminated which is especially important for horizontal boreholes. Besides, due to the lower filler density less viscous carrier fluids may be applied which ensures reduced friction during the injection.
  • polyDCPD has a unique combination of mechanical, chemical and physical properties which makes it a good alternative to polyethylene, polystyrene, fiber glass, polyether, graphite fiber, aluminum alloys and other materials.
  • PolyDCPD has low density (close to that of water), an excellent combination of rigidity and impact strength; stable dimensions, excellent chemical stability in acids, bases, crude oil, excellent thermal stability; its mechanical processing is easy.
  • High-purity polyDCPD Noveon is manufactured by “Telene®DCPD” Company for European and Chinese markets.
  • PolyDCPD “Metton® PDCPD”, which is basically similar to “Telene®” is manufactured by Metton America Inc. which is going to startup its mass production as an alternative to fiber glass, wood and metal.
  • Gravel pack particles represented by polyDCPD proppants may have various dimensions, shape and their combinations.
  • Non-spherical proppants may be elongated, protruded, polygonal, cubical, fiber etc. particles.
  • PolyDCPD proppants may be reinforced with suitable fillers, like clay, silicon dioxide, fibers, ceramics etc.

Abstract

The invention is related to the methods of well sanding prevention, particularly to the technologies of gravel pack making, and may be used for underground formations treatment, particularly for the operations to prevent sand inrush from the oil formation into the well. The sanding prevention method includes placement of the gravel pack in the well where polydicyclopentadiene material is used as the gravel pack. The method enables better sand and fines filtration through a denser and more uniform distribution of the gravel pack as polydicyclopentadiene material, its high thermal stability and high crushing strength.

Description

    FIELD OF INVENTION
  • This invention is related to methods of well sanding prevention, particularly to the technologies of gravel pack making, and may be used for underground formations treatment, particularly for operations to prevent sand inrush from the oil formation into the well.
  • Gravel packs are used to prevent well sanding. A typical operation for filling the pack with gravel is installation of a mesh filter in the well and placement of gravel between the filter and perforated casing string. The gravel prevents sand inrush from the reservoir into the well and formation fluids are filtered into the well through the gravel and mesh filter. The gravel pack may also be applied without installing the pack into the well.
    • DISCUSSION OF RELATED ART
  • Methods of well sanding prevention using various gravel packs are known. Possible solutions are claimed in the following patents:
      • 1. U.S. Pat. No. 7,255,168, this patent discloses a method of underground formation treatment, namely,—a method to prevent well sanding by delivering gravel pack into the well, the gravel pack is a homogenous mix of polyethyleneterephthalate (PET) and filler. The filler may amount to approximately 5% to 70% of the entire mix weight. It may be various particles compatible with thermoplastic material, e.g. coenospheres, microspheres, ashes etc.
      • 2. U.S. Pat. No. 7,281,580, this patent discloses a method of gravel pack making using adhesive-coated high-density plastic particles.
      • 3. GB2436011, this patent discloses a method of well sanding prevention using polyamide particles. The main disadvantage of this method is low strength.
    SUMMARY OF THE INVENTION
  • The task to be solved through this invention consists in the creation of a simple and efficient method of well sanding prevention using gravel pack, including gravel pack placement in the well, where a new type of bulk material with a crushing strength and chemical inertness is used as the gravel pack for underground formations treatment.
  • The technical result to be attained in the implementation of the technical solution claimed consists in the assurance of a better filtration of sand and fines through a more uniform distribution of the gravel pack as polyDCPD, its high thermal stability and high crushing strength. Due to the fact that the specific density of the particles is close to 1, precipitation of the gravel pack particles during the gravel pack precoating is eliminated which is especially important for horizontal boreholes. Besides, due to the lower filler density less viscous carrier fluids may be applied which ensures reduced friction during the injection.
  • The technical result delivered is attained due to the fact that the gravel-pack well sanding prevention method including the gravel pack placement in the well uses bulk material represented by polydicyclopentadiene (hereinafter referred to as polyDCPD) particles. Hereby the polyDCPD particles may have various shapes, e.g., spherical, elongated, polygonal, cubical, they may be made as fibers. The polyDCPD filler may be additionally strengthened using filler, like clay or silicon dioxide, or ceramics, of fibers.
    • DETAILED DESCRIPTION
  • This invention is related to the gravel-pack well sanding prevention method including the gravel pack placement in the well using polyDCPD materials as the gravel pack. The polyDCPD gravel pack particles may have any dimensions and shape in any combinations. PolyDCPD material has crushing strength up to 60 MPa and density of about 0.95 . . . 1.03 g/cm3. Therefore polyDCPD particles may be in suspended state and carried by the fracture fluid. The advantage is better sand and fines filtration resulting from the denser and more uniform polyDCPD particles' distribution, its higher thermal stability and crushing strength. Due to the fact that the specific density of the particles is close to 1, precipitation of the gravel pack particles during the gravel pack precoating is eliminated which is especially important for horizontal boreholes. Besides, due to the lower filler density less viscous carrier fluids may be applied which ensures reduced friction during the injection.
  • Of all polymers polyDCPD has a unique combination of mechanical, chemical and physical properties which makes it a good alternative to polyethylene, polystyrene, fiber glass, polyether, graphite fiber, aluminum alloys and other materials. PolyDCPD has low density (close to that of water), an excellent combination of rigidity and impact strength; stable dimensions, excellent chemical stability in acids, bases, crude oil, excellent thermal stability; its mechanical processing is easy.
  • High-purity polyDCPD Noveon is manufactured by “Telene®DCPD” Company for European and Chinese markets.
  • PolyDCPD “Metton® PDCPD”, which is basically similar to “Telene®” is manufactured by Metton America Inc. which is going to startup its mass production as an alternative to fiber glass, wood and metal.
  • Gravel pack particles represented by polyDCPD proppants may have various dimensions, shape and their combinations. Non-spherical proppants may be elongated, protruded, polygonal, cubical, fiber etc. particles. PolyDCPD proppants may be reinforced with suitable fillers, like clay, silicon dioxide, fibers, ceramics etc.

Claims (5)

1. A method of gavel-sand well sanding prevention including gravel-pack placement in the well characterized in the fact that as gravel pack proppant represented by polydicyclopentadiene material particles is used.
2. The method of claim 1 characterized in the fact that polydicyclopentadiene material particles may be of various shapes.
3. The method of claim 2 characterized in the fact that polydicyclopentadiene material particles may be elongated and/or polygonal and/or cubical and/or spherical and/or fiber-like.
4. The method of claim 1 characterized in the fact that polydicyclopentadiene proppant may be reinforced using additional filler.
5. The method of claim 4 characterized in the fact that the additional filler may be ceramic or silicon dioxide or fiber.
US12/570,838 2008-09-30 2009-09-30 Method to prevent well sanding using gravel packing Abandoned US20100139918A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/572,562 US20110073309A1 (en) 2009-09-30 2009-10-02 Method of proppant oil or gas formation fracture

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
RU2008138639/03A RU2381350C1 (en) 2008-09-30 2008-09-30 Method of well sending prevention with use of gravel filling
RU2008138640 2008-09-30
RU2008138639 2008-09-30
RU2008138640/03A RU2386025C1 (en) 2008-09-30 2008-09-30 Method of hydraulic break of oil or gas stratum with usage of proppant

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/572,562 Continuation-In-Part US20110073309A1 (en) 2009-09-30 2009-10-02 Method of proppant oil or gas formation fracture

Publications (1)

Publication Number Publication Date
US20100139918A1 true US20100139918A1 (en) 2010-06-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110073309A1 (en) * 2009-09-30 2011-03-31 Schlumberger Technology Corporation Method of proppant oil or gas formation fracture
CN105473626A (en) * 2013-05-15 2016-04-06 开放式股份企业俄罗斯石油公司 Proppant material and method for producing same

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063002A (en) * 1975-04-14 1977-12-13 Wilson Jr Floyd Insulated glass and sealant therefor
US4192753A (en) * 1978-03-07 1980-03-11 Union Oil Company Of California Well completion and workover fluid having low fluid loss
US4263372A (en) * 1976-05-19 1981-04-21 Rohm And Haas Company Method of coating and/or impregnating porous substrates, and products obtained thereby
US4921047A (en) * 1989-08-10 1990-05-01 Conoco Inc. Composition and method for sealing permeable subterranean formations
US6020443A (en) * 1996-02-08 2000-02-01 Advanced Polymer Technologies, Inc. Polymerization of low grade DCPD monomers using an olefin metathesis catalyst
US7255168B2 (en) * 2004-05-25 2007-08-14 Halliburton Energy Services, Inc. Lightweight composite particulates and methods of using such particulates in subterranean applications
US7281580B2 (en) * 2004-09-09 2007-10-16 Halliburton Energy Services, Inc. High porosity fractures and methods of creating high porosity fractures
US20070246214A1 (en) * 2006-03-20 2007-10-25 Fish Robert B Jr Proppants made from filled polymers for use during oil and gas production and associated processes
US20080202750A1 (en) * 2006-07-12 2008-08-28 Georgia-Pacific Chemicals Llc Proppant materials and methods
US20100144955A1 (en) * 2007-04-23 2010-06-10 Solvay Advanced Polymers, L.L.C. Thermoplastic polymer mixtures, and applications thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063002A (en) * 1975-04-14 1977-12-13 Wilson Jr Floyd Insulated glass and sealant therefor
US4263372A (en) * 1976-05-19 1981-04-21 Rohm And Haas Company Method of coating and/or impregnating porous substrates, and products obtained thereby
US4192753A (en) * 1978-03-07 1980-03-11 Union Oil Company Of California Well completion and workover fluid having low fluid loss
US4921047A (en) * 1989-08-10 1990-05-01 Conoco Inc. Composition and method for sealing permeable subterranean formations
US6020443A (en) * 1996-02-08 2000-02-01 Advanced Polymer Technologies, Inc. Polymerization of low grade DCPD monomers using an olefin metathesis catalyst
US7255168B2 (en) * 2004-05-25 2007-08-14 Halliburton Energy Services, Inc. Lightweight composite particulates and methods of using such particulates in subterranean applications
US7281580B2 (en) * 2004-09-09 2007-10-16 Halliburton Energy Services, Inc. High porosity fractures and methods of creating high porosity fractures
US20070246214A1 (en) * 2006-03-20 2007-10-25 Fish Robert B Jr Proppants made from filled polymers for use during oil and gas production and associated processes
US20080202750A1 (en) * 2006-07-12 2008-08-28 Georgia-Pacific Chemicals Llc Proppant materials and methods
US20100144955A1 (en) * 2007-04-23 2010-06-10 Solvay Advanced Polymers, L.L.C. Thermoplastic polymer mixtures, and applications thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110073309A1 (en) * 2009-09-30 2011-03-31 Schlumberger Technology Corporation Method of proppant oil or gas formation fracture
CN105473626A (en) * 2013-05-15 2016-04-06 开放式股份企业俄罗斯石油公司 Proppant material and method for producing same
US10053620B2 (en) 2013-05-15 2018-08-21 Otkrytoe Aktsyonernoe Obschestvo “Rosneft Oil Company” Proppant material and method for producing same

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