CN102695844A - 用于井下动力钻具的定子、其制造方法及包括该定子的井下动力钻具 - Google Patents
用于井下动力钻具的定子、其制造方法及包括该定子的井下动力钻具 Download PDFInfo
- Publication number
- CN102695844A CN102695844A CN2010800608178A CN201080060817A CN102695844A CN 102695844 A CN102695844 A CN 102695844A CN 2010800608178 A CN2010800608178 A CN 2010800608178A CN 201080060817 A CN201080060817 A CN 201080060817A CN 102695844 A CN102695844 A CN 102695844A
- Authority
- CN
- China
- Prior art keywords
- stator
- reinforcement material
- stator tube
- axle
- tube
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 68
- 230000002787 reinforcement Effects 0.000 claims description 60
- 239000003795 chemical substances by application Substances 0.000 claims description 37
- 229920000459 Nitrile rubber Polymers 0.000 claims description 25
- 238000001723 curing Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 244000043261 Hevea brasiliensis Species 0.000 claims description 10
- 239000005062 Polybutadiene Substances 0.000 claims description 10
- 229920005549 butyl rubber Polymers 0.000 claims description 10
- 229920003052 natural elastomer Polymers 0.000 claims description 10
- 229920001194 natural rubber Polymers 0.000 claims description 10
- 229920006169 Perfluoroelastomer Polymers 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- -1 pastel Substances 0.000 claims description 7
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 239000010962 carbon steel Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920002530 polyetherether ketone Polymers 0.000 claims description 6
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 230000021523 carboxylation Effects 0.000 claims description 5
- 238000006473 carboxylation reaction Methods 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 230000026030 halogenation Effects 0.000 claims description 5
- 238000005658 halogenation reaction Methods 0.000 claims description 5
- 238000005984 hydrogenation reaction Methods 0.000 claims description 5
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 5
- 229920002857 polybutadiene Polymers 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 229920003051 synthetic elastomer Polymers 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920001470 polyketone Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 238000013007 heat curing Methods 0.000 claims description 2
- 238000003847 radiation curing Methods 0.000 claims description 2
- 229920006168 hydrated nitrile rubber Polymers 0.000 claims 1
- 239000012779 reinforcing material Substances 0.000 abstract 3
- 239000007767 bonding agent Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 30
- 239000012530 fluid Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 238000005480 shot peening Methods 0.000 description 4
- 229920000271 Kevlar® Polymers 0.000 description 3
- 229920000784 Nomex Polymers 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000004761 kevlar Substances 0.000 description 3
- 239000004763 nomex Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229920002994 synthetic fiber Polymers 0.000 description 3
- 239000012209 synthetic fiber Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002044 microwave spectrum Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
- B29C70/745—Filling cavities in the preformed part
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/10—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F01C1/101—Moineau-type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
- F04C13/008—Pumps for submersible use, i.e. down-hole pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
- F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
- F04C2/1075—Construction of the stationary member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/10—Thermosetting resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/12—Thermoplastic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2905/00—Use of metals, their alloys or their compounds, as mould material
- B29K2905/08—Transition metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/21—Manufacture essentially without removing material by casting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0469—Other heavy metals
- F05C2201/0475—Copper or alloys thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/02—Rubber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/10—Polyimides, e.g. Aurum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
- F05C2225/12—Polyetheretherketones, e.g. PEEK
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/12—Coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/18—Filler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/22—Reinforcements
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/4932—Turbomachine making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Composite Materials (AREA)
- Chemical & Material Sciences (AREA)
- Manufacture Of Motors, Generators (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
本发明描述了制造用于井下动力钻具的定子的方法,该方法包括提供具有内表面的定子管和向定子管的内表面施加粘结剂的步骤。另外,心轴定位于定子管内,该心轴具有与用于定子的所需内几何特征互补的外几何特征。此外,加强材料引入定子管中以填充心轴与定子管的内表面之间的空间并随后固化以结合加强材料到定子管的内表面上。心轴然后从结合的定子管和加强材料移除,从而制造定子。
Description
发明背景
井下动力钻具(downhole motor)(通俗地称作“泥浆马达(mudmotor)”)是用于钻孔操作中以转动钻头、产生电力等等的强力发电机。如术语“泥浆马达”所暗示的,泥浆马达通常由钻井液(drilling fluid)(例如泥浆)提供动力。这种钻井液也用于润滑钻柱和带走钻屑,并因此通常包含颗粒状物质如钻孔切屑,这可缩短井下动力钻具的使用寿命。因此,存在着对经济地制备井下动力钻具和井下动力钻具部件的新途径的需求,其为经济的且有利于在现场的快速更换。
发明内容
本发明一般地涉及制造用于井下动力钻具的定子的方法,其中该方法包括提供具有内表面的定子管;将粘结剂施加到所述定子管的内表面上;定位心轴到所述定子管内,该心轴具有与所述定子的所需内几何特征互补的外几何特征;和将加强材料引入所述定子管中以填充所述心轴与定子管的内表面之间的空间的步骤。另外,固化加强材料以将加强材料结合到定子管的内表面上且然后心轴从结合的定子管和加强材料移除从而制造定子。
根据本发明的一个方面,定子管包含选自铁、钢、高速钢、碳钢、钨钢、黄铜和铜的材料。
另外,用于制造定子的粘结剂可以是单层粘结剂或多层粘结剂。
根据本发明的一个方面,心轴可以包含选自铁、钢、高速钢、碳钢、钨钢、黄铜和铜的材料。另外,心轴可以涂覆有具有多种形式(包括固体、半固体或液体)的脱模剂(release agent)。
本发明的加强材料可以采取如本领域技术人员所理解的多种形式。例如加强材料可以是复合材料。根据本发明的另一个方面,加强材料可以是聚合物。根据本发明的进一步的方面,加强材料可以是热固性塑料或热塑性材料。
如本领域技术人员所理解的,本发明的一个方面的加强材料可以选自环氧树脂、聚酰亚胺、聚酮、聚醚醚酮(PEEK)、酚醛树脂和聚苯硫醚(PPS)。
另外,加强材料可以为各种形式,包括液体、糊状物、浆料、粉末和/或颗粒形式。此外,加强材料可以是交联的和/或具有高结晶度。根据本发明的方面,当固化加强材料以将加强材料结合到定子管的内表面上时,可以采用各种技术。这些技术可以包括,但不限于,使用热固化、辐射固化、蒸汽固化和冷却。
本发明进一步要求保护用于井下动力钻具的定子,该定子包括:包括内表面的定子管和结合到所述内表面上的固化的加强材料,该固化的加强材料具有限定包括多个内叶的内部螺旋腔的内表面。另外,本发明描述了一种井下动力钻具,其包括定子,其中所述定子包括:包括内表面的定子管和结合到所述内表面上的固化的加强材料,该固化的加强材料具有限定包括多个内叶的内部螺旋腔的内表面;及容纳在定子内的转子。根据本发明,转子可以涂覆弹性体,其中所述弹性体可以包含选自橡胶、天然橡胶(NR)、合成聚异戊二烯(IR)、丁基橡胶、卤化的丁基橡胶、聚丁二烯(BR)、腈橡胶、丁腈橡胶(NBR)、氢化的丁腈橡胶(HNBR)、羧化的氢化丁腈橡胶(XHNBR)、氯丁橡胶(CR)、氟橡胶(FKM)和全氟弹性体(FFKM)的一种或多种。
附图简述
为更充分地理解本发明的特征和所需的目的,结合附图来进行以下详细说明,其中相似的附图标记在几幅附图中始终代表对应的部件,且其中:
图1显示了本发明可以用于其中的井场(wellsite)系统。
图2A-2C显示了根据本发明的一个实施方式的具有1∶2叶分布(lobe profile)的Moineau型容积式(positive displacement)井下动力钻具。
图3A-3F显示了根据本发明的一个实施方式的具有3∶4叶分布的Moineau型容积式井下动力钻具。
图4和5A-5D显示了根据本发明的一个实施方式的制备定子的方法。
图6和7A-7D显示了根据本发明的一个实施方式的制备定子插入物的方法。
图8显示了根据本发明的一个实施方式的具有花键几何特征的定子管和定子插入物。
图9显示了根据本发明的一个实施方式的制备定子的替代方法。
发明详细说明
本发明的实施方式提供了用于井下动力钻具的定子和定子插入物,其制备方法和包括该定子的井下动力钻具。本发明的各种实施方式可以用于井场系统中。
井场系统
图1显示了本发明可以用于其中的井场系统。该井场系统可以是陆上的或海上的。在该示例性的系统中,钻孔11通过以公知的方式旋转钻孔而在地下地层(subsurface formations)中形成。本发明的实施方式也可以使用定向钻孔,如下面所描述的。
钻柱(drill string)12悬于钻孔11内并具有底部钻具组件(bottom holeassembly)(BHA)100(其包括在其下端的钻头105)。表面系统包括平台和位于钻孔11上方的井架装置10,该装置10包括转盘16、方钻杆17、吊钩18和旋转水龙头19。钻柱12通过由未示出的装置提供能量的转盘16转动,转盘16在钻柱的上端与方钻杆17接合。钻柱12从连接到游动滑车(也未示出)上的吊钩18悬下,经过方钻杆17和旋转水龙头19(其允许钻柱相对于吊钩旋转)。如公知的,可以可选择地使用顶驱动系统。
在该实施方式的实施例中,表面系统进一步包括储存于在井场形成的凹坑27中的钻井液或泥浆26。泵29经由水龙头19中的端口输送钻井液26到钻柱12的内部,从而使得钻井液向下流过钻柱12,如定向箭头8所示。钻井液经由钻头15中的端口排出钻柱12,且随后通过钻柱外侧和钻孔壁之间的环形区域向上循环,如定向箭头9所示。以这种公知的方式,钻井液润滑钻头并随着其返回到凹坑27以再循环时携带岩屑(formation cuttings)直到表面。
所显示的实施方式的底部钻具组件100包括随钻测井(LWD)模块120、随钻测量(MWD)模块130、旋转导向系统(roto-steerable system)和马达以及钻头105。
LWD模块120如本领域中所知的容纳于特殊类型的钻铤(drill collar)中,且可以包含一种或多种已知类型的测井工具(logging tool)。也可以理解,可以采用多于一个LWD和/或MWD模块,例如,如120A处表示的。(在全文中,对120位置处模块的说明也可以选择地指120A位置处的模块。)LWD模块包括用于测量、处理和储存信息以及用于与表面设备通讯的能力。在本实施方式中,LWD模块包括压力测量装置。
MWD模块130也如本领域中所知的容纳于特殊类型的钻铤中,且可以包含一种或多种用于测量钻柱和钻头的特性的装置。MWD工具进一步包括用于为井下系统产生电能的设备(未示出)。这通常可以包括由钻井液流供能的泥浆涡轮发电机(也称为“泥浆马达”),可以理解,可以采用其它动力和/或电池系统。在本实施方式中,MWD模块包括一种或多种以下类型的测量装置:钻压测量装置、转矩测量装置、振动测量装置、冲击测量装置、粘滑测量装置(stick slip measuring device)、方向测量装置和倾度测量装置。
在这里,该系统的特别有利的用途是与受控转向或“定向钻井”结合。在该实施方式中,提供了旋转导向子系统150(图1)。定向钻井是井眼与其天然采取的途径有意地偏离。换句话说,定向钻井是钻柱转向以使得其沿所需的方向行进。
定向钻井例如有利于海上钻井,因为它使得能够从单一平台钻许多井。定向钻井也使得能够通过储油层水平钻井。水平钻井使得井眼能够穿越储油层更长的长度,这提高了井的生产率。
定向钻井系统同样也可以用于垂直钻井操作。通常,由于所穿透地层的不可预测的性质或钻头所经受的变化的力,钻头会转向离开计划的钻井轨迹。当这种偏离发生时,定向钻井系统可以用于使钻头回到原路线上。
已知的定向钻井方法包括使用旋转导向系统(“RSS”)。在RSS中,钻柱从表面旋转,且井下装置使得钻头沿所需的方向钻孔。使钻柱旋转极大地减少在钻孔过程中钻柱发生停住和卡住的情况。用于向地中钻进改向的井孔的旋转导向钻井系统可以一般地分类为“指向钻头(point-the-bit)”系统或“推靠钻头(push-the-bit)”系统。
在指向钻头系统中,钻头的旋转轴沿新孔的总体方向(generaldirection)偏离底部钻具组合的局部轴(local axis)。该孔按照由上和下稳定器触点和钻头限定的惯常三点几何形状延伸。与钻头和下稳定器之间的有限距离相结合的钻头轴偏转角导致产生曲线所需的非共线条件。存在着可以实现这一目的的许多方式,包括在底部钻具组合中靠近下稳定器的点处的固定弯曲或分布在上和下稳定器之间的钻头传动轴的挠曲。在其理想的形式中,钻头不需要侧向切割,因为钻头轴沿着弯曲孔的方向连续地旋转。指向钻头型旋转导向系统以及它们如何运转的实例描述于美国专利6394193、6364034、6244361、6158529、6092610和5113953号及美国专利申请公开2002/0011359和2001/0052428号中。
在推靠钻头型旋转导向系统中,通常没有用于使钻头轴从底部钻具组合局部轴偏离的特别指定的机构。相反,必需的非线条件通过使上或下稳定器中任一或两者沿优先相对于孔延伸的方向定向的方向施加偏心力或位移而实现。再一次,存在着可以实现这一目的的许多方式,包括非旋转(相对于孔)偏心稳定器(基于位移的途径)和沿所需转向方向施加力于钻头上的偏心致动器。再一次,转向通过在钻头和至少两个另外的触点之间产生非共线性而实现。在其理想的形式中,钻头需要侧向切割以产生弯曲的孔。推靠型旋转导向系统及它们如何运转的实例描述于美国专利6089332、5971085、5803185、5778992、5706905、5695015、5685379、5673763、5603385、5582259、5553679、5553678、5520255和5265682号中。
井下动力钻具
现在参照图2A-2C,描绘了Moineau型容积式井下动力钻具200。井下动力钻具200包括容纳在定子204内的转子202。转子202可以是由刚性材料如金属、树脂、复合材料等制成的螺旋元件。定子204可以具有长方的、螺旋形状且可以由允许转子202在定子204内随着流体在转子202和定子204之间形成的腔206中流动而旋转的弹性体制成。在一些实施方式中,定子204容纳在可以部分地限制定子204随着转子202旋转的形变和可以保护定子204的外部免于磨损的定子管208内。
井下动力钻具可以以各种构型制造。一般地,当如图1B中所示以横向截面观察时,转子202具有nr个叶片而定子204具有ns个叶片,其中ns=nr+1。例如,图2A-2C描绘了具有1∶2的叶分布的井下动力钻具200,其中转子202具有一个叶片210而定子204具有两个叶片212。图3A-3F描绘了具有3∶4的叶分布的井下动力钻具300,其中转子302具有三个叶片310而定子304具有四个叶片312。其它示例性的叶分布包括5∶6、7∶8、9∶10等等。
转子302的旋转描绘于图3C-3F中。
井下动力钻具进一步描述于多个公开文献中,例如美国专利7442019、7396220、7192260、7093401、6827160、6543554、6543132、6527512、6173794、5911284、5221197、5135059、4909337、4646856和2464011号、美国专利申请公开2009/0095528、2008/0190669和2002/0122722号以及William C.Lyons等,Air&Gas Drilling Manual: Applications for Oil&Gas Recovery Wells&Geothermal Fluids Recovery Wells§11.2(第3版2009);G.Robello Samuel,Downhole Drilling Tools: Theory&Practice for Engineers&Students 288-333(2007);Standard Handbook of Petroleum&Natural Gas Engineering 4-276-4-299(William C.Lyons&Gary J.Plisga eds.2006);和1Yakov A.Gelfgat等,Advanced Drilling Solutions:Lessons from the FSU 154-72(2003)中。
生产定子的方法
现在在图5A-5D的背景中参照图4,提供了生产定子500的方法400。为了方便说明和理解,图5A-5D中描绘了无深度的横向切片。
在步骤S402中,提供了定子管502。如本文中讨论的,定子管502可以是刚性材料。例如,定子管502可以由铁、钢、高速钢、碳钢、钨钢、黄铜、铜等等制成。
任选地在步骤S404中,制备定子管502的内表面。在一些实施方式中,磨损的定子插入物从定子管502移除。在其它实施方式中,定子管的内表面进行清洁、去脂、喷砂、喷丸等等。
在步骤S406中,粘结剂504应用于定子管502的内表面上。粘结剂504可以是单层粘结剂或多层粘结剂。本领域技术人员可以认识到,存在众多的适宜的粘结剂,包括但不限于环氧树脂、酚醛树脂、聚酯树脂或多种合适的替代品。
在步骤S408中,心轴506定位于定子管502内。优选地,心轴506在定子管502内居中以使得心轴506的纵轴与定子管502的纵轴共轴。心轴506具有与待制备的定子500的所需内几何特征互补的外几何特征。例如,心轴506可以具有长方的、螺旋形状且具有ns个叶片(例如,在图5A所示的实施方式中为四个叶片)。
在一些实施方式,心轴506涂覆有脱模剂(未描绘)以利于移除心轴506。另外地或可选地,一个或多个弹性层508可以应用于心轴506上(例如,在脱模剂上)以强化定子500。为清楚的目的,术语加强/弹性层在本说明书内互换地使用。例如,弹性层508可以由弹性体如橡胶、天然橡胶(NR)、合成聚异戊二烯(IR)、丁基橡胶、卤化的丁基橡胶、聚丁二烯(BR)、腈橡胶、丁腈橡胶(NBR)、氢化的丁腈橡胶(HNBR)、羧化的氢化丁腈橡胶(XHNBR)、氯丁橡胶(CR)等等形成。在再另一个实施方式中,弹性层508可以用纤维或织物如聚芳酰胺合成纤维(如可从E.I.Du Pontde Nemours and Company,Wilmington,Delaware获得的KEVLAR纤维)加强。
在一些实施方式中,粘结剂(未描绘)应用于弹性层508上。粘结剂可以是单层粘结剂或多层粘结剂。
在步骤S410中,加强材料510引入定子管502中。合适的加强材料510的例子在本文中讨论。
在步骤S412中,加强材料510如本文中所讨论的进行固化。
在步骤S414中,心轴506从固化的定子500移除。
产生定子插入物的方法
现在在图7A-7D的背景中参照图6,提供了产生定子插入物的方法600。为了方便说明和理解,图7A-7D中描绘了无深度的横向切片。
在步骤S602中,提供了心轴702。心轴702具有与待制备的定子插入物的所需内几何特征互补的外几何特征。例如,心轴702可以具有长方的、螺旋形状且可以具有ns个叶片(例如,在图7A所示的实施方式中为四个叶片)。
在步骤S604中,柔性套管704施加于心轴702上。柔性套管704可以是弹性体。例如,弹性体可以是橡胶、天然橡胶(NR)、合成聚异戊二烯(IR)、丁基橡胶、卤化的丁基橡胶、聚丁二烯(BR)、腈橡胶、丁腈橡胶(NBR)、氢化的丁腈橡胶(HNBR)、羧化的氢化丁腈橡胶(XHNBR)、氯丁橡胶(CR)、氟橡胶(TKM)、全氟弹性体(FFKM)等等。在再另一实施方式中,柔性套管704可以使用纤维或织物如聚芳酰胺合成纤维(如可从E.I.Du Pont de Nemours and Company,Wilmington,Delaware获得的KEVLAR纤维)加强。
在一些实施方式中,润滑剂或脱模剂(例如,液体、凝胶和/或粉末)应用于柔性套管704和心轴702之间以利于心轴702的插入和移除。优选地,润滑剂/脱模层与心轴702和柔性套管704相容。本领域技术人员可以认识到,该润滑剂/脱模层可以采取多种形式,包括但不限于具有固体或流体形式的永久或半永久层。
任选地,在步骤S606中,在柔性套管和心轴之间施加真空以使得柔性套管更好地顺应心轴702的几何结构。在一些实施方式中,真空是不需要的,因为柔性材料704顺应心轴几何结构而不需要物理操作。
在步骤S608中,组装的柔性套管704和心轴702被置于模具706内。优选地,心轴702在模具706内居中以使得心轴702的纵轴与模具706的纵轴共轴。在一些实施方式中,模具706的内几何特征与所模制的定子插入物将安装于其中的定子管708互补(减去用于粘合剂710、膨胀、收缩等等的任何容差)。例如,定子插入物可以具有基本圆形的外轮廓和定子管708可以具有基本圆形的内轮廓。
在图8中所描绘的另一实施方式中,定子管808可以具有多个花键812和定子插入物814可以包括多个互补的花键以提供定子插入物814在定子管808中的机械保持。按照可选的实施方式,本领域技术人员很容易认识到定子管的内壁和外壁不是必然平行的。
在步骤S610中,加强材料714引入模具中。合适的加强材料714的例子在本文中讨论。
任选地,脱模剂和/或润滑剂可以在引入加强材料714之前应用于模具的内表面上以利于固化的定子插入物从模具706的移除。
另外地或可选地,粘结剂(未描绘)可以在引入加强材料714之前应用于柔性套管704上以利于加强材料714与柔性套管704的结合。
在步骤S612中,加强材料714如本文所讨论的固化。
在步骤S614中,固化的加强材料714和柔性套管704从模具706移除。在一些实施方式中,固化的定子插入物的外表面进行处理以利于更好地与定子管708结合。例如,固化的定子插入物可以进行清洁、去脂、喷砂、喷丸等等。
在步骤S616中,心轴702任选地在定子插入定子管708中(步骤S618)之前从固化的定子插入物移除。在另一个实施方式中,心轴702在插入定子管708之后从固化的定子插入物移除。
多种技术可以用于制备定子管708以容纳固化的定子插入物。在一些实施方式中,磨损的定子插入物从定子管708移除。在其它实施方式中,定子管708的内表面进行清洁、去脂、喷砂、喷丸等等。
在一些实施方式中,定子插入物与定子管708的内表面结合。定子插入物可以用粘合剂710与定子管708结合。例如,粘合剂710可以应用于定子插入物的外侧和/或定子管708的内侧。或者,在定子插入物插入之后,粘合剂710可以在压力下或真空下在定子插入物和定子管708之间流入或注射。可以使用多种粘合剂710,包括环氧树脂、聚(甲基丙烯酸甲酯)、聚氨酯基的粘合剂等等。
加强材料和固化方法
本文中讨论的加强材料510,714可以是多种材料,包括复合材料、聚合物、热固性塑料、热塑性材料等等。示例性的聚合物包括环氧树脂、聚酰亚胺、聚酮、聚醚醚酮(PEEK)、酚醛树脂、聚苯硫醚(PPS)等等。加强材料510,714可以以多种形式引入,包括液体、糊状物、浆料、粉末、颗粒形式等等。按照本发明的方面,加强材料可以包括,但不限于可以固化的众多液体、糊状物或粉末。按照本发明的一个方面,它们可以是陶瓷或水泥。
加强材料510,714可以是交联的、另外地或可选地,加强材料510、714可以具有高结晶度。
加强材料510,714的固化可以通过多种技术完成,包括化学添加剂、紫外辐射、电子束、加热、暴露于部分或全微波谱、蒸汽固化、冷却等等。固化过程可以在特定的加强材料510,714之间变化,但可以由制造商的说明书和一般化学原理来确定。在一些实施方式中,加强材料510,714在压力下固化以促进与弹性层508或柔性套管704的结合和/或提高机械性能,从而将弹性层508或柔性套管704压向心轴506,702的几何结构和改善加强材料510,714的机械性能。例如,实验揭示,当加强材料在压力下固化时,Tg、硬度和韧性具有约20%的提高。
制备定子的另外的方法
现在图5A-5D的背景下参照图9,提供了制备定子500的方法900。为方便说明和理解,图5A-5D中描绘了无深度的横向切片。
在步骤S902中,提供了心轴506。心轴506可以具有与用于定子500的所需内几何特征互补的外几何特征。例如,心轴506可以具有长方的、螺旋形状且具有ns个叶片(例如,在图5A所示的实施方式中为四个叶片)。
任选地,在步骤S904中,心轴506可以涂覆脱模剂(未描绘)以利于心轴506从柔性套管508的移除。
在步骤S906中,柔性套管508应用于心轴506上。柔性套管508可以由弹性体形成,如橡胶、天然橡胶(NR)、合成聚异戊二烯(IR)、丁基橡胶、卤化的丁基橡胶、聚丁二烯(BR)、腈橡胶、丁腈橡胶(NBR)、氢化的丁腈橡胶(HNBR)、羧化的氢化丁腈橡胶(XHNBR)、氯丁橡胶(CR)、氟橡胶(FKM)和全氟弹性体(FFKM)等等。在再另一实施方式中,柔性套管508可以用纤维或织物加强,如聚芳酰胺合成纤维(如可从E.I.Du Pont de Nemours and Company,Wilmington,Delaware获得的KEVLAR纤维)。
任选地,在步骤S908中,粘结剂(未描绘)应用于柔性套管508的外表面上。粘结剂可以是单层粘结剂或多层粘结剂。
在步骤S910中,提供了定子管502。如本文中所讨论的,定子管502可以是刚性材料。例如,定子管502可以由铁、钢、高速钢、碳钢、钨钢、黄铜、铜等等制成。
任选地,在步骤S912中,制备了定子管502的内表面。在一些实施方式中,磨损的定子插入物从定子管502移除。在其它实施方式中,定子管502的内表面进行清洁、去脂、喷砂、喷丸等等。
在步骤S914中,粘结剂504应用于定子管502的内表面。粘结剂504可以是单层粘结剂或多层粘结剂。按照本发明,可以使用多种粘结剂,包括但不限于Hunstman CW47/HY33或Chemosil 310。在步骤S916中,柔性套管508和心轴506定位于定子管502内。优选地,心轴506和柔性套管508在定子管502内居中以使得心轴506的纵轴与定子管502的纵轴共轴。
在步骤S918中,加强材料510引入以填充柔性套管508和定子502之间的空间。合适的加强材料510的例子在本文中讨论。
在步骤S920中,加强材料510如本文中所讨论的固化。
任选地,在步骤S922中,心轴506从定子500移除。
通过引用引入
本文中表明的所有专利、公开的专利申请和其它参考文献在此明确地通过引用以其全文引入。
等同
本领域技术人员可以认识到或能够仅利用常规实验确定本文所描述的本发明特定实施方式的许多等同物。这类等同物意图包括在下面的权利要求的范围内。
Claims (19)
1.一种制造用于井下动力钻具的定子的方法,该方法包括:
提供具有内表面的定子管;
将粘结剂施加到所述定子管的内表面上;
定位心轴到所述定子管内,该心轴具有与所述定子的所需内几何特征互补的外几何特征;
将加强材料引入所述定子管中以填充所述心轴与所述定子管的内表面之间的空间;
固化所述加强材料以将加强材料结合到所述定子管的内表面上;和
从结合的定子管和加强材料移除所述心轴;
从而制造所述定子。
2.权利要求1的方法,其中所述定子管包含选自铁、钢、高速钢、碳钢、钨钢、黄铜和铜的材料。
3.权利要求1的方法,其中所述粘结剂是单层粘结剂。
4.权利要求1的方法,其中所述粘结剂是多层粘结剂。
5.权利要求1的方法,其中所述心轴包含选自铁、钢、高速钢、碳钢、钨钢、黄铜和铜的材料。
6.权利要求1的方法,其中所述心轴涂覆有脱模剂。
7.权利要求1的方法,其中所述加强材料是复合材料。
8.权利要求1的方法,其中所述加强材料是聚合物。
9.权利要求8的方法,其中所述加强材料是热固性塑料。
10.权利要求8的方法,其中所述加强材料是热塑性材料。
11.权利要求8的方法,其中所述加强材料包含选自环氧树脂、聚酰亚胺、聚酮、聚醚醚酮(PEEK)、酚醛树脂和聚苯硫醚(PPS)的一种或多种。
12.权利要求1的方法,其中所述加强材料为选自液体、糊状物、浆料、粉末和颗粒的形式。
13.权利要求1的方法,其中所述加强材料是交联的。
14.权利要求1的方法,其中所述加强材料具有高结晶度。
15.权利要求1的方法,其中所述固化加强材料以将所述加强材料结合到所述定子管的内表面上的步骤进一步包括选自热固化、辐射固化、蒸汽固化和冷却的一种或多种技术。
16.用于井下动力钻具的定子,该定子包括:
包括内表面的定子管;和
结合到所述内表面上的固化的加强材料,该固化的加强材料具有限定包括多个内叶的内部螺旋腔的内表面。
17.一种井下动力钻具,包括:
定子,其包括:
包括内表面的定子管;和
结合到所述内表面上的固化的加强材料,该固化的加强材料具有限定包括多个内叶的内部螺旋腔的内表面;及
容纳在所述定子内的转子。
18.权利要求17的井下动力钻具,其中所述转子涂覆有弹性体。
19.权利要求18的井下动力钻具,其中所述弹性体包含选自橡胶、天然橡胶(NR)、合成聚异戊二烯(IR)、丁基橡胶、卤化的丁基橡胶、聚丁二烯(BR)、腈橡胶、丁腈橡胶(NBR)、氢化的丁腈橡胶(HNBR)、羧化的氢化丁腈橡胶(XHNBR)、氯丁橡胶(CR)、氟橡胶(FKM)和全氟弹性体(FFKM)的一种或多种。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/617,864 | 2009-11-13 | ||
US12/617,864 US8777598B2 (en) | 2009-11-13 | 2009-11-13 | Stators for downwhole motors, methods for fabricating the same, and downhole motors incorporating the same |
PCT/GB2010/001830 WO2011058294A2 (en) | 2009-11-13 | 2010-09-30 | Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102695844A true CN102695844A (zh) | 2012-09-26 |
CN102695844B CN102695844B (zh) | 2016-11-30 |
Family
ID=
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054470A (zh) * | 1989-12-22 | 1991-09-11 | 罗素·D·艾迪 | 带有润滑流体限流器的高压井下螺杆钻井设备 |
US20010005486A1 (en) * | 1996-04-24 | 2001-06-28 | Wood Steven M. | Progressive cavity helical device |
US20050089429A1 (en) * | 2003-10-27 | 2005-04-28 | Dyna-Drill Technologies, Inc. | Composite material progressing cavity stators |
US20080025859A1 (en) * | 2006-07-31 | 2008-01-31 | Schlumberger Technology Corporation | Controlled thickness resilient material lined stator and method of forming |
CN201056983Y (zh) * | 2007-06-25 | 2008-05-07 | 郭太利 | 螺杆钻具定子壳体 |
US7396220B2 (en) * | 2005-02-11 | 2008-07-08 | Dyna-Drill Technologies, Inc. | Progressing cavity stator including at least one cast longitudinal section |
US20080304991A1 (en) * | 2007-06-05 | 2008-12-11 | Dyna-Drill Technologies, Inc. | Moineu stator including a skeletal reinforcement |
WO2009115819A1 (en) * | 2008-03-20 | 2009-09-24 | Advanced Interactive Materials Science Limited | Stator for use in helicoidal motor |
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054470A (zh) * | 1989-12-22 | 1991-09-11 | 罗素·D·艾迪 | 带有润滑流体限流器的高压井下螺杆钻井设备 |
US20010005486A1 (en) * | 1996-04-24 | 2001-06-28 | Wood Steven M. | Progressive cavity helical device |
US20050089429A1 (en) * | 2003-10-27 | 2005-04-28 | Dyna-Drill Technologies, Inc. | Composite material progressing cavity stators |
US7396220B2 (en) * | 2005-02-11 | 2008-07-08 | Dyna-Drill Technologies, Inc. | Progressing cavity stator including at least one cast longitudinal section |
US20080025859A1 (en) * | 2006-07-31 | 2008-01-31 | Schlumberger Technology Corporation | Controlled thickness resilient material lined stator and method of forming |
US20080304991A1 (en) * | 2007-06-05 | 2008-12-11 | Dyna-Drill Technologies, Inc. | Moineu stator including a skeletal reinforcement |
CN201056983Y (zh) * | 2007-06-25 | 2008-05-07 | 郭太利 | 螺杆钻具定子壳体 |
WO2009115819A1 (en) * | 2008-03-20 | 2009-09-24 | Advanced Interactive Materials Science Limited | Stator for use in helicoidal motor |
Also Published As
Publication number | Publication date |
---|---|
RU2012124076A (ru) | 2013-12-20 |
GB201214247D0 (en) | 2012-09-26 |
GB2496237A (en) | 2013-05-08 |
CA2780863C (en) | 2018-11-06 |
CA2780863A1 (en) | 2011-05-19 |
US10233926B2 (en) | 2019-03-19 |
US8777598B2 (en) | 2014-07-15 |
WO2011058294A2 (en) | 2011-05-19 |
US20150017047A1 (en) | 2015-01-15 |
DE112010004390T5 (de) | 2012-08-23 |
US20110116959A1 (en) | 2011-05-19 |
RU2611125C2 (ru) | 2017-02-21 |
WO2011058294A3 (en) | 2011-08-11 |
GB2496237B (en) | 2014-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102713127B (zh) | 定子插入物、其制造方法及包括该定子插入物的井下动力钻具 | |
CN102713126B (zh) | 用于井下动力钻具的定子、其制造方法及包括该定子的井下动力钻具 | |
CA2780863C (en) | Stators for downhole motors, methods for fabricating the same, and downhole motors incorporating the same | |
WO2017053173A1 (en) | Hard bearing attachment and alignment systems, apparatus, and techniques | |
US9309884B2 (en) | Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same | |
US8807245B2 (en) | Reaming tool | |
CN110832164B (zh) | 泥浆马达逆功率区段 | |
US20080000083A1 (en) | Process for lining a fluid helical device stator | |
CN108368726B (zh) | 包括可移除涂层的液压工具、钻井系统以及制作和使用液压工具的方法 | |
CN102695844B (zh) | 用于井下动力钻具的定子、其制造方法及包括该定子的井下动力钻具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170930 |
|
CF01 | Termination of patent right due to non-payment of annual fee |