CN109869100B - Riser elevator chuck and use method thereof - Google Patents
Riser elevator chuck and use method thereof Download PDFInfo
- Publication number
- CN109869100B CN109869100B CN201910280728.7A CN201910280728A CN109869100B CN 109869100 B CN109869100 B CN 109869100B CN 201910280728 A CN201910280728 A CN 201910280728A CN 109869100 B CN109869100 B CN 109869100B
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- China
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- main body
- riser
- chuck
- tensioning ring
- marine riser
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001154 acute effect Effects 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The invention discloses a water-proof pipe elevator chuck and a use method thereof, wherein the water-proof pipe elevator chuck comprises a main body, the main body comprises two identical semi-circular bodies, two ends of the two semi-circular bodies are respectively a sub-structure and a parent structure which can be mutually riveted, hinge holes are formed in the sub-structure and the parent structure, the two semi-circular bodies are fixedly connected together through a connecting structure, and the bottom ends of the two semi-circular bodies are respectively provided with an acute angle clamping structure. The invention has the advantages that: the bottom ends of the semi-circular bodies are respectively provided with an acute angle clamping structure, when the marine riser is used, the acute angles are clamped in the corresponding tension rings, the marine riser is held by the main body, the joint of the marine riser is clamped on the step surface of the upper plane of the main body, and the marine riser is in double fit, so that the stability of the marine riser in the use process is fully ensured; when the riser or the sleeve pipe needs to be replaced, the displacement of the whole riser string can be realized through the cooperation of the hydraulic rod, the tensioning ring and the main body, the complex process of disassembling and reinstalling the riser is omitted, the offshore operation efficiency is greatly improved, and the offshore operation cost is further reduced.
Description
Technical Field
The invention relates to the field of chucks, in particular to a riser elevator chuck and a using method thereof.
Background
In the deep sea petroleum drilling process, the marine riser is required to be used for isolating seawater, a drill floor chuck is usually used for connecting and disassembling the marine riser, and a tensioning ring supports the marine riser, so that the marine riser at the bottom is prevented from buckling deformation due to overlarge length of the marine riser string.
The traditional chuck is installed on a drilling platform for use, and can only play a clamping role on the marine riser, when the marine riser needs to be replaced, the old pipe string can only be detached in sequence and then the new marine riser can be connected in sequence, and then the new marine riser is put into the corresponding sleeve for operation, so that a great deal of time is required in the process, the offshore operation cost is higher, the cost of offshore operation is greatly increased due to the process of the detachment and the re-connection of the marine riser, and a great deal of space is occupied by the marine riser after the marine riser is recovered to the upper surface of the drilling platform; when underground maintenance or displacement of the marine riser is required, the marine riser is required to be lifted to a drill floor; when the drilling platform clamps the riser, the wellhead chuck cannot perform other operations.
Disclosure of Invention
In order to solve the technical problems, the invention provides the riser elevator chuck which is used for marine drilling, can be used at a position below an operation platform of a drilling worker above the sea surface, is arranged in a tensioning ring, can not only play a role in clamping and lifting a riser, but also can integrally move the riser so as to reduce repeated riser tripping procedures and save recovery time.
The technical scheme adopted by the invention is as follows:
the utility model provides a riser elevator chuck, includes the main part, the main part includes two same semicircle bodies, but the both ends of two semicircle bodies are primary structure and secondary structure of mutual riveting respectively, all be provided with the hinge hole on primary structure, two semicircle bodies are in the same place through connection structure fixed connection, and the bottom of two semicircle bodies all sets up to acute angle joint structure, still be provided with the oil cup in the connection structure.
Further, the connection structure comprises a pin shaft, a fixing plate, a bolt and a gasket, wherein the oil cup is arranged at the bottom of the inside of the pin shaft, an oil outlet is formed in the side wall of the pin shaft, and an oil inlet is formed in the bottom end of the oil cup.
Further, two semicircle is relative the riveting, and two sets of substructure and female structure are the riveting respectively, the round pin axle is two altogether, and two round pins pass the hinge hole on two sets of substructure and the female structure of riveting respectively, main part and round pin axle bottom all are provided with the screw hole, also be provided with the bolt hole on the fixed plate, the round pin axle is in the same place through fixed plate, screw hole and bolt and main part fixed connection.
Further, the upper plane of the main body is provided with a step surface.
Further, the main body is also provided with a handle mechanism which can be used for hoisting or holding, and the handle mechanism is divided into four parts and is uniformly distributed at the edge of the upper plane of the main body.
Furthermore, the main body is of a hollowed-out structure.
The beneficial effects of the invention are as follows: 1. the bottom ends of the semi-circular bodies are respectively provided with an acute angle clamping structure, when the marine riser is used, the acute angles are clamped in the corresponding tension rings, the marine riser is held by the main body, the joint of the marine riser is clamped on the step surface of the upper plane of the main body, and the marine riser is in double fit, so that the stability of the marine riser in the use process is fully ensured; 2. when the marine riser needs to be replaced, the hydraulic rod, the tensioning ring and the main body are matched to realize displacement or suspension of the whole marine riser string, so that the complex process of disassembling and reinstalling the marine riser is omitted, the marine operation efficiency is greatly improved, and the marine operation cost is further reduced; 3. the hollow structure reduces the dead weight of the chuck on one hand, increases the convenience in use, and reduces the manufacturing cost of the chuck on the other hand.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of an explosive structure according to the present invention.
Figure 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is an enlarged partial schematic view of fig. 3.
Fig. 5 is a bottom view of the present invention.
FIG. 6 is a schematic view of the present invention in use.
Wherein: 1. the novel hydraulic oil cylinder comprises a main body, 2, a substructure, 3, a parent structure, 4, a tensioning ring, 5, an oil cup, 6, an oil inlet, 7, an oil outlet, 8, a hinge hole, 9, a connecting structure, 10, an acute angle clamping structure, 11, a step surface, 12, a handle mechanism, 13, a water isolation pipe, 91, a pin shaft, 92, a fixing plate, 93, a bolt, 94 and a gasket.
Detailed Description
The present invention will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present invention, which examples are provided for the purpose of illustrating the present invention only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a water-proof pipe elevator chuck comprises a main body 1, main body 1 includes two same semicircle bodies, but the both ends of two semicircle bodies are primary structure 2 and the female structure 3 of mutual riveting respectively, primary structure 2 all is provided with hinge hole 8 on the female structure 3, two semicircle bodies are in the same place through connection structure 9 fixed connection, the bottom of two semicircle bodies all is provided with acute angle joint structure 10, connection structure 9 internal still is provided with oil cup 5, connection structure 9 includes round pin 91, the fixed plate 92, bolt 93 and packing ring 94, oil cup 5 sets up in the inside bottom of round pin 91, be provided with oil outlet 7 on the round pin 91 lateral wall, oil cup 5 bottom is provided with inlet port 6, primary structure 3 on the other semicircle body of primary structure 2 mutually, two semicircle bodies are riveted and are formed into a complete circle, two sets of primary structure 2 and female structure 3 are riveted respectively, the bottom of two semicircle bodies all are provided with sharp angle joint structure 10, connection structure 9 still is provided with oil cup 5, connection structure 9 includes round pin 91, two share 92, bolt 92 and two share the fixed plate 92 and handle 1 have two share the same plane with the fixed plate 1, two share the bottom hole 1, two share the fixed plate 1 and two side wall 1 have the side hole, two side hole 1 and two side hole 1 are provided with the handle 1.
As shown in fig. 6, the above-mentioned riser elevator spider is installed as follows: (1) The main body 1 is clamped and mounted on the tensioning ring 4 through the acute angle clamping structure 10, and then the chuck main body 1 and the tensioning ring 4 are mounted on the water isolation pipe 13, so that the joint part of the water isolation pipe 13 is just clamped on the step surface 11 of the main body 1; (2) The tensioning ring 4 is firstly installed on the waterproof pipe 13, then the main body 1 is installed below the joint of the waterproof pipe 13 above the tensioning ring 4, and no matter what installation sequence, the joint of the chuck main body 1 and the joint of the tensioning ring 4 are crossed, so that the joint of the chuck main body 1 and the joint of the tensioning ring 4 are uniformly stressed; when the riser 13 needs to be shifted, the hydraulic rod applies force to the tensioning ring 4, the tensioning ring 4 transmits the force to the main body 1, and the main body 1 finally lifts and shifts the riser 13 under the action of the hydraulic rod.
Above-mentioned riser elevator chuck has following beneficial effect: 1. the bottom ends of the semi-circular bodies are respectively provided with an acute angle clamping structure, when the marine riser is used, the acute angles are clamped in the corresponding tension rings, the marine riser is held by the main body, the joint of the marine riser is clamped on the step surface of the upper plane of the main body, and the marine riser is in double fit, so that the stability of the marine riser in the use process is fully ensured; 2. when the riser or the sleeve pipe needs to be replaced, the hydraulic rod, the tensioning ring and the main body are matched to realize the displacement or suspension of the whole riser string, so that the complex process of disassembling and reinstalling the riser is omitted, the offshore operation efficiency is greatly improved, and the offshore operation cost is further reduced; 3. the hollow structure reduces the dead weight of the chuck on one hand, increases the convenience in use, and reduces the manufacturing cost of the chuck on the other hand.
Claims (3)
1. The use method of the water isolation pipe elevator chuck is characterized in that the chuck comprises a main body, a step surface is arranged on the upper plane of the main body, the main body comprises two identical semicircular bodies, two ends of the two semicircular bodies are respectively in a sub-structure and a female structure which can be mutually riveted, hinge holes are formed in the sub-structure and the female structure, the two semicircular bodies are fixedly connected together through a connecting structure, the bottom ends of the two semicircular bodies are respectively provided with an acute angle clamping structure, an oil cup is further arranged in the connecting structure, the connecting structure comprises a pin shaft, a fixing plate, a bolt and a gasket, the oil cup is arranged at the inner bottom of the pin shaft, an oil outlet is formed in the side wall of the pin shaft, an oil inlet is formed in the bottom end of the oil cup, the two semicircular bodies are mutually riveted, two groups of sub-structures and the female structure are respectively riveted, the pin shafts share two hinge holes which respectively penetrate through the two groups of the sub-structure and the female structure, the main body and the pin shaft are respectively provided with threaded holes, the fixing plate is provided with the fixing plate, the fixing plate is provided with the bolt holes, and the fixing plate is connected with the fixing plate and the bolt through the fixing plate;
for offshore drilling, at a location below the rig operating platform above the sea surface;
the installation process of the riser elevator chuck is as follows:
(1) The main body is clamped and mounted on the tensioning ring through the acute angle clamping structure, and then the chuck main body and the tensioning ring are mounted on the marine riser, so that the joint part of the marine riser is just clamped on the step surface of the main body;
(2) The joint of the chuck main body and the joint of the tensioning ring are crossed, so that the joint of the chuck main body and the joint of the tensioning ring are uniformly stressed;
(3) When the riser needs to be shifted, the hydraulic rod applies force to the tensioning ring, the tensioning ring transmits force to the main body, the main body finally shifts the riser under the action of the hydraulic rod, and when the riser needs to be replaced, the hydraulic rod, the tensioning ring and the main body can be matched to realize the shift or suspension of the whole riser string, so that the complex process of disassembling and reassembling the riser is omitted.
2. The method of claim 1, wherein the main body is further provided with four handle mechanisms for hoisting or holding, and the handle mechanisms are uniformly distributed at the edge of the upper plane of the main body.
3. The method of claim 1, wherein the body is hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280728.7A CN109869100B (en) | 2019-04-09 | 2019-04-09 | Riser elevator chuck and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910280728.7A CN109869100B (en) | 2019-04-09 | 2019-04-09 | Riser elevator chuck and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109869100A CN109869100A (en) | 2019-06-11 |
| CN109869100B true CN109869100B (en) | 2024-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910280728.7A Active CN109869100B (en) | 2019-04-09 | 2019-04-09 | Riser elevator chuck and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN109869100B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279709B (en) * | 2021-05-28 | 2022-11-01 | 四川宏华石油设备有限公司 | Split chuck structure for quick assembly and disassembly of deep sea marine riser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6378614B1 (en) * | 2000-06-02 | 2002-04-30 | Oil & Gas Rental Services, Inc. | Method of landing items at a well location |
| CN102562948A (en) * | 2012-01-17 | 2012-07-11 | 苏州环球集团链传动有限公司 | Chain pin shaft with oil cup |
| CN203835946U (en) * | 2014-05-23 | 2014-09-17 | 江苏四达重工有限公司 | Hinge pin shaft connection structure |
| CN206439010U (en) * | 2016-12-07 | 2017-08-25 | 山东祺龙海洋石油钢管股份有限公司 | Hammer formula marine riser Special-purpose hanger snap ring |
| CN209959190U (en) * | 2019-04-09 | 2020-01-17 | 江苏如东联丰石油机械有限公司 | Novel riser elevator chuck |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU33391U1 (en) * | 2003-01-20 | 2003-10-20 | Колпаков Владимир Владимирович | Universal clamp |
| US20110280668A1 (en) * | 2009-11-16 | 2011-11-17 | Rn Motion Technologies | Hang-Off Adapter for Offshore Riser Systems and Associated Methods |
| CN202203639U (en) * | 2011-07-22 | 2012-04-25 | 南京梅山冶金发展有限公司 | Automatic lubricating device for automatic coupler pin of tramcar |
| CN203188940U (en) * | 2013-02-22 | 2013-09-11 | 江苏中油天工机械有限公司 | Pneumatic chuck |
| CN103498642B (en) * | 2013-09-16 | 2015-11-18 | 宝鸡石油机械有限责任公司 | A kind of rotary-type split type marine riser tightening hoop |
| CN103573195B (en) * | 2013-10-25 | 2016-01-20 | 宝鸡石油机械有限责任公司 | Hydraulic bearing-type riser universal joint device |
| CN104405306A (en) * | 2014-10-24 | 2015-03-11 | 宝鸡石油机械有限责任公司 | Hydraulic marine riser lifting transportation tool |
| CN204583270U (en) * | 2014-12-27 | 2015-08-26 | 贵州成智重工科技有限公司 | Jaw crushing motor-driven jaw pull bar lubricating structure |
-
2019
- 2019-04-09 CN CN201910280728.7A patent/CN109869100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6378614B1 (en) * | 2000-06-02 | 2002-04-30 | Oil & Gas Rental Services, Inc. | Method of landing items at a well location |
| CN102562948A (en) * | 2012-01-17 | 2012-07-11 | 苏州环球集团链传动有限公司 | Chain pin shaft with oil cup |
| CN203835946U (en) * | 2014-05-23 | 2014-09-17 | 江苏四达重工有限公司 | Hinge pin shaft connection structure |
| CN206439010U (en) * | 2016-12-07 | 2017-08-25 | 山东祺龙海洋石油钢管股份有限公司 | Hammer formula marine riser Special-purpose hanger snap ring |
| CN209959190U (en) * | 2019-04-09 | 2020-01-17 | 江苏如东联丰石油机械有限公司 | Novel riser elevator chuck |
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| Publication number | Publication date |
|---|---|
| CN109869100A (en) | 2019-06-11 |
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