WO2016018752A1 - Compositions et procédés de nettoyage d'un puits de forage avant cimentation - Google Patents

Compositions et procédés de nettoyage d'un puits de forage avant cimentation Download PDF

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Publication number
WO2016018752A1
WO2016018752A1 PCT/US2015/042001 US2015042001W WO2016018752A1 WO 2016018752 A1 WO2016018752 A1 WO 2016018752A1 US 2015042001 W US2015042001 W US 2015042001W WO 2016018752 A1 WO2016018752 A1 WO 2016018752A1
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WIPO (PCT)
Prior art keywords
composition
wellbore
oily residue
cement
glass
Prior art date
Application number
PCT/US2015/042001
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English (en)
Inventor
Anthony Loiseau
Original Assignee
Schlumberger Canada Limited
Services Petroliers Schlumberger
Schlumberger Holdings Limited
Schlumberger Technology B.V.
Prad Research And Development Limited
Schlumberger Technology Corporation
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 Schlumberger Canada Limited, Services Petroliers Schlumberger, Schlumberger Holdings Limited, Schlumberger Technology B.V., Prad Research And Development Limited, Schlumberger Technology Corporation filed Critical Schlumberger Canada Limited
Publication of WO2016018752A1 publication Critical patent/WO2016018752A1/fr

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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
    • C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/424—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells using "spacer" compositions
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/006—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mineral polymers, e.g. geopolymers of the Davidovits type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/021—Ash cements, e.g. fly ash cements ; Cements based on incineration residues, e.g. alkali-activated slags from waste incineration ; Kiln dust cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06—Aluminous cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/08—Slag cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
    • 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
    • C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/428—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for squeeze cementing, e.g. for repairing
    • 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
    • C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
    • C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
    • 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
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
    • 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
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/536—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning characterised by their form or by the form of their components, e.g. encapsulated material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • This disclosure relates generally to compositions and methods for treating a subterranean well prior to cementing. More specifically, the present disclosure relates to compositions and methods for cleaning casing and wellbore surfaces with fluids containing a swellable organically modified silica or glass.
  • the tubular body may comprise drillpipe, casing, liner, coiled tubing or combinations thereof.
  • the purpose of the tubular body is to act as a conduit through which desirable fluids from the well may travel and be collected.
  • the tubular body is normally secured in the well by a cement sheath.
  • the cement sheath provides mechanical support and hydraulic isolation between the zones or layers that the well penetrates. The latter function is important because it prevents hydraulic communication between zones that may result in contamination. For example, the cement sheath blocks fluids from oil or gas zones from entering the water table and polluting drinking water.
  • the cement sheath achieves hydraulic isolation because of its low permeability. In addition, intimate bonding between the cement sheath and both the tubular body and borehole is necessary to prevent leaks. [005]
  • the cement sheath is usually placed in the annular region between the outside of the tubular body and the subterranean borehole wall by pumping the cement slurry down the interior of the tubular body, out the bottom and up into the annulus.
  • the cement slurry may also be placed by the "reverse cementing" method, whereby the slurry is pumped directly down into the annular space.
  • the cement slurry is frequently preceded by a spacer fluid or chemical wash to prevent commingling with drilling fluid in the wellbore. These fluids also help clean the tubular-body and formation surfaces, promoting better cement bonding and zonal isolation.
  • the cement slurry may also be followed by a displacement fluid such as water, a brine or drilling fluid. This fluid usually resides inside the tubular body after the cementing process is complete.
  • Piot B and Cuvillier G "Primary Cementing Techniques," in Nelson EB and Guillot D (eds.): Well Cementing— 2nd Edition, Houston, Schlumberger (2006) 459-501.
  • Daccord G, Guillot D and Nilsson F “Mud Removal,” in Nelson EB and Guillot D (eds.): Well Cementing— 2nd Edition, Houston, Schlumberger (2006) 143-189.
  • NAF-base drilling fluids generally comprise invert emulsion fluids, where the continuous or external phase is predominantly organic (e.g., mineral oil or synthetic oil), and the inverse or internal phase may be aqueous (e.g., brines).
  • the stability of invert emulsions is generally maintained by one or more additives present in the fluid, such as emulsifiers, emulsion stabilizing agents, and oil- wetting agents.
  • NAFs also include diesel, mineral oil and non-water base solvents.
  • Cement Bond Logs commonly reveal poor or no bonding, or poor-quality cement behind casing.
  • Current solutions to achieve mud removal and water wetting include pumping fluids that separate the cement slurry from the drilling fluid.
  • the fluid may be a single-stage, viscous, water-base spacer that contains surfactants with strong water-wetting tendencies.
  • a two-stage spacer system may be pumped that comprises base oil, solvents, or water- base chemical washes with surfactants, in combination with a viscous water-base spacer that contains water- wetting surfactants.
  • Aqueous fluids including spacer fluids, chemical washes, drilling fluids and cement slurries are provided that are compatible with NAFs and have the ability to remove them from a wellbore during a cementing treatment.
  • compositions comprising water and a swellable organically modified silica or glass.
  • embodiments relate to methods for cleaning a subterranean well having a borehole having an oily residue thereon.
  • a composition is prepared that comprises water and a swellable organically modified silica or glass. The composition is circulated in the wellbore such that the composition contacts the wellbore wall. The composition is then allowed to remove the oily residue from the wellbore wall.
  • embodiments relate to methods for cementing a subterranean well having a borehole wall having an oily residue thereon.
  • a composition is prepared that comprises water and a swellable organically modified silica or glass. The composition is circulated in the wellbore such that the composition contacts the wellbore wall. The composition is then allowed to remove the oily residue from the wellbore wall.
  • a cement slurry is prepared that comprises water and an inorganic cement. The cement slurry is then placed in the wellbore such that the composition is displaced.
  • the term about should be understood as any amount or range within 10% of the recited amount or range (for example, a range from about 1 to about 10 encompasses a range from 0.9 to 11). Also, in the summary and this detailed description, it should be understood that a concentration range listed or described as being useful, suitable, or the like, is intended that any concentration within the range, including the end points, is to be considered as having been stated. For example, "a range of from 1 to 10" is to be read as indicating each possible number along the continuum between about 1 and about 10. Furthermore, one or more of the data points in the present examples may be combined together, or may be combined with one of the data points in the specification to create a range, and thus include each possible value or number within this range.
  • compositions comprising water and a swellable organically modified silica or glass.
  • embodiments relate to methods for cleaning a subterranean well having a borehole having an oily residue thereon.
  • a composition is prepared that comprises water and a swellable organically modified silica or glass.
  • the composition is circulated in the wellbore such that the composition contacts the wellbore wall.
  • the composition is then allowed to remove the oily residue from the wellbore wall.
  • the swellable organically modified silica or glass particles do not swell in water, thereby allowing them to be added to an aqueous fluid and subject to swelling when they are exposed to a hydrocarbon in the well.
  • the well may further comprise at least one tubular body having surfaces with an oily residue thereon, and circulating the composition in the well removes the oily residue from the surfaces.
  • the tubular body may comprise drillpipe, casing, liner or coiled tubing or a combination thereof.
  • embodiments relate to methods for cementing a subterranean well having a borehole wall having an oily residue thereon.
  • a composition is prepared that comprises water and a swellable organically modified silica or glass. The composition is circulated in the wellbore such that the composition contacts the wellbore wall. The composition is then allowed to remove the oily residue from the wellbore wall. The particles swell upon exposure to the oily residue and, in so doing, entrap and carry the residue away from the borehole wall.
  • a cement slurry is prepared that comprises water and an inorganic cement. The cement slurry is then placed in the wellbore such that the composition is displaced.
  • the well may further comprise at least one tubular body having surfaces with an oily residue thereon, and circulating the composition in the well removes the oily residue from the surfaces.
  • the tubular body may comprise drillpipe, casing, liner or coiled tubing or a combination thereof.
  • the inorganic cement may comprise portland cement, calcium aluminate cement, fly ash, blast furnace slag, lime-silica blends, zeolites, geopolymers or chemically bonded phosphate ceramics or combinations thereof.
  • the cement slurry may be placed during a primary or remedial cementing operation.
  • the swellable organically modified silica or glass may comprise OSORBTM, marketed by Absorbent Materials Company LLC of Wooster, Ohio, USA.
  • the OSORBTM material may rapidly swell to about 5 to about 10 times its original amount when contacted by a hydrocarbon fluid.
  • the SOMS may be a hydrophobic material that selectively absorbs non-polar liquids.
  • the swelling process may be reversible allowing the SOMS to serve a type of "sponge-like" material for various other materials. Examples of SOMS are described in U.S. Patent Application Pub. No. 2010/0096334 and U.S. Patent No. 7,790,830, the disclosures of which are incorporated by reference herein in their entirety.
  • the swellable organically modified silica or glass may be present in the composition at a concentration between 0.1 vol% and 20 vol%, or between 0.1 vol% and 10 vol% or between 0.1 vol% and 5 vol%.
  • the composition may be a spacer fluid, and further comprise silica flour, barite, hematite, ilmenite, manganese tetraoxide, fly ash, blast furnace slag, glass microspheres, ceramic microspheres or nitrogen or combinations thereof.
  • the composition may be a chemical wash or a scavenger slurry.
  • Chemical washes are fluids having a density and viscosity close to that of water. They may contain surfactants that help clean wellbore and casing surfaces. Scavenger slurries are dilute suspensions of cement in water, and frequently contain water soluble polymer thickeners, surfactants and salts.
  • a rotor test is conducted to evaluate the ability of treatment-fluid compositions to remove a SBM/OBM fluid from casing surfaces.
  • the test equipment is a Chan 35TM rotational rheometer, available from Chandler Engineering, Tulsa, OK, USA.
  • the rheometer is equipped with an 85-mm diameter cup for tests conducted at 25°C.
  • a closed rotor, 73.30 mm long and 40.70 mm in diameter, is employed to simulate the casing surface.
  • the rotor has a sand blasted stainless-steel surface with an average roughness of 1.4 micrometers.
  • a base spacer fluid is prepared that comprises water, a viscosifier, and antifoam agent and optionally a dispersant.
  • the viscosifier may be bentonite, a water soluble polymer a mixed metal hydroxide or a combination thereof.
  • the antifoam agent may be a silicone or polypropylene glycol or a combination thereof.
  • the dispersant may be a sulfonated aromatic polymer such as polynaphthalene sulfonate, polymelamine sulfonate and the like.
  • An example of such a fluid is MUDPUSHTM spacer fluid, available from Schlumberger.
  • SBM oil/water emulsion
  • the rotor is lowered into the SBM and allowed to remain stationary for 10 min. When the rotor is removed, a smooth and homogenous layer of drilling fluid will cover the rotor. The rotor is allowed to remain stationary for 2 min to allow excess SBM to drip off. Then the rotor is placed in a test fluid and rotated at 100 RPM for 2 min. After the rotation period the rotor is removed and visually inspected for SBM remaining on the rotor surface.
  • Two fluids are prepared: the base spacer only and the base spacer plus 5 vol% OSOPvBTM particles.
  • the first fluid in which the rotor is lowered is the base spacer. After the rotation period and the removal of the rotor, SBM will be observed coating the rotor surface. The rotor is weighed to determine how much SBM has been removed.
  • the rotor is cleaned and then lowered into the second fluid: the base spacer plus OSORBTM particles. After the rotation period and the removal of the rotor, less SBM or no SBM will be observed coating the rotor surface. The rotor weight will be lower than that measured when the rotor was immersed in the first fluid.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Des compositions de nettoyage de puits de forage comprenant de l'eau et du verre ou de la silice modifiée organiquement à capacité de gonflement sont utiles lors d'opérations de cimentation. Les compositions de nettoyage peuvent se présenter sous la forme d'un fluide d'espacement ou d'un agent de lavage chimique, et sont conçus pour éliminer des résidus huileux provenant de la paroi du puits de forage et des surfaces de corps tubulaires tels que tige de forage, tubage, chemisage ou un tuyau enroulé.
PCT/US2015/042001 2014-07-27 2015-07-24 Compositions et procédés de nettoyage d'un puits de forage avant cimentation WO2016018752A1 (fr)

Applications Claiming Priority (2)

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US201462029546P 2014-07-27 2014-07-27
US62/029,546 2014-07-27

Publications (1)

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WO2016018752A1 true WO2016018752A1 (fr) 2016-02-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107558955A (zh) * 2016-07-01 2018-01-09 中国石油化工股份有限公司 一种油井微生物复合解堵的方法
CN109016623A (zh) * 2018-07-17 2018-12-18 安徽华禹食品有限公司 一种食用油榨油的自动清渣机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359545A (en) * 1981-02-05 1982-11-16 Toray Silicone Co., Ltd. Fiber-treating compositions comprising two organo-functional polysiloxanes
US20090171308A1 (en) * 2003-08-06 2009-07-02 The Procter & Gamble Company Absorbent Structure Comprising Water-Swellable Material
US20100113856A1 (en) * 2005-09-30 2010-05-06 Absorbent Materials Company Llc Apparatus and method for remediation of aqueous solutions
WO2014011546A1 (fr) * 2012-07-09 2014-01-16 M-I L.L.C. Fluide de puits de forage utilisé avec des éléments pouvant gonfler avec du pétrole
WO2014011071A1 (fr) * 2012-07-09 2014-01-16 Schlumberger Canada Limited Procédé d'entretien de puits souterrains

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359545A (en) * 1981-02-05 1982-11-16 Toray Silicone Co., Ltd. Fiber-treating compositions comprising two organo-functional polysiloxanes
US20090171308A1 (en) * 2003-08-06 2009-07-02 The Procter & Gamble Company Absorbent Structure Comprising Water-Swellable Material
US20100113856A1 (en) * 2005-09-30 2010-05-06 Absorbent Materials Company Llc Apparatus and method for remediation of aqueous solutions
WO2014011546A1 (fr) * 2012-07-09 2014-01-16 M-I L.L.C. Fluide de puits de forage utilisé avec des éléments pouvant gonfler avec du pétrole
WO2014011071A1 (fr) * 2012-07-09 2014-01-16 Schlumberger Canada Limited Procédé d'entretien de puits souterrains

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107558955A (zh) * 2016-07-01 2018-01-09 中国石油化工股份有限公司 一种油井微生物复合解堵的方法
CN109016623A (zh) * 2018-07-17 2018-12-18 安徽华禹食品有限公司 一种食用油榨油的自动清渣机构
CN109016623B (zh) * 2018-07-17 2020-06-16 马鞍山市新桥工业设计有限公司 一种食用油榨油的自动清渣机构

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