CN112504822A - Underwater wellhead Christmas tree simulation test bearing device - Google Patents
Underwater wellhead Christmas tree simulation test bearing device Download PDFInfo
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- CN112504822A CN112504822A CN202110143661.XA CN202110143661A CN112504822A CN 112504822 A CN112504822 A CN 112504822A CN 202110143661 A CN202110143661 A CN 202110143661A CN 112504822 A CN112504822 A CN 112504822A
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000004088 simulation Methods 0.000 title claims abstract description 17
- 241000191291 Abies alba Species 0.000 title claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 15
- 238000005728 strengthening Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 235000004507 Abies alba Nutrition 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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Abstract
The invention relates to the field of ocean oil and gas drilling engineering, and provides a bearing device for simulation test of an underwater wellhead Christmas tree, wherein a bearing cylinder is welded at the top of a bearing plate A, a lifting lug is welded on the outer wall of the bearing cylinder, a bolt A is arranged at the lower part of the lifting lug and in the middle of the bearing cylinder, a reinforcing rib A is welded between the lower part of the bearing cylinder and the bearing plate A, positioning grooves A are arranged at two ends of the bearing plate A, and bolts B are uniformly distributed on the circumference; counter bores are uniformly distributed on the circumference of the bearing plate B, positioning grooves B are arranged at two ends of the bearing plate B, and a centralizing cylinder, a reinforcing rib B and a cylinder body are welded at the bottom of the bearing plate B; has the advantages that: the bearing capacity reaches more than 1000 tons, the bearing capacity after field cementing is completely simulated, and land underwater simulation test is realized; adjusting the wellhead system in multiple angles, and simulating wellhead deflection and field operation environment after field cementing; the positioning groove has a positioning function, so that the bearing cylinder and the centering cylinder can be conveniently and quickly aligned, the bolt B can be quickly installed in place, and the efficiency is high; bolt A realizes well head system's regulation placed in the middle, prevents changeing the function, rational in infrastructure, safe and reliable, easy and simple to handle.
Description
Technical Field
The invention relates to the technical field of ocean oil and gas drilling engineering, in particular to a bearing device for simulation test of an underwater wellhead Christmas tree.
Background
The underwater wellhead system is a general name of wellhead casing heads, subsea blowout preventers or subsea Christmas trees with different calibers and various control systems which are arranged on a subsea template. The underwater wellhead provides a hanging and sealing way for a sleeve in the drilling process, the wellhead also provides a circulating channel for an underwater blowout preventer and mud in the drilling process, the underwater wellhead is connected to a drilling machine platform through a high-pressure vertical pipe, an underwater wellhead system is located on the seabed and needs to be remotely installed by using a running tool and a drill rod, and the underwater wellhead plays a vital role in the whole drilling and production process. At present, all underwater well heads used in China are imported products, and key technologies are restricted by foreign countries, so that the localization of the underwater well heads is urgently needed, and the exploitation cost is reduced.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a bearing device for simulation test of an underwater wellhead Christmas tree.
The new technical scheme of the invention is as follows: the bearing device comprises a bearing cylinder, a bolt A, a bolt B, a cylinder body, a centering cylinder, a reinforcing rib A, a reinforcing rib B, a bearing plate A, a bearing plate B and a lifting lug, wherein the bearing plate A is annular, the bearing cylinder is welded at the top of the bearing plate A, the lifting lug is welded at the upper part of the outer wall of the bearing cylinder, bolt holes are formed in the lower part of the lifting lug and the middle part of the bearing cylinder, the bolt A is installed in the bolt holes, the reinforcing rib A is welded between the lower part of the bearing cylinder and the bearing plate A, positioning grooves A are formed in two ends of the bearing plate A, the bolt holes are evenly distributed on the circumference of the bearing plate, the bolts B are installed in the bolt holes, and the bottom of; counter bore evenly distributed at loading board B circumference, and loading board B is the ring form, loading board B both ends be equipped with constant head tank B, and constant head tank B and constant head tank A cooperate, loading board B bottom welding have rightting section of thick bamboo, strengthening rib B and barrel, and strengthening rib B one side welding is at the barrel inner wall.
The number of the bolts A is 12.
The number of the bolts B is 12.
The number of the counter bores is 12.
The righting cylinder is 36 inches.
The inner diameter of the righting cylinder is larger than that of the bearing cylinder.
The reinforcing ribs B are triangular.
The reinforcing ribs are 4-6 blocks.
The invention has the beneficial effects that: the bearing capacity of the invention reaches more than 1000 tons, the bearing capacity after field cementing is completely simulated, and land underwater simulation test is realized; adjusting the wellhead system in multiple angles, and simulating wellhead deflection and field operation environment after field cementing; the positioning groove plays a positioning role, the bearing cylinder and the righting cylinder are conveniently and quickly aligned, the bolt B is quickly installed in place, and the working efficiency is improved; bolt A realizes well head system's regulation placed in the middle, prevents changeing the function, and structural design is reasonable, safe and reliable, and is easy and simple to handle.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of the positioning groove a in fig. 1.
Fig. 3 is a partially enlarged view of the positioning groove B in fig. 1.
Fig. 4 is a schematic structural view of the bolt B in cooperation with the counter bore.
Fig. 5 is a schematic view of the structure of the present invention in use.
Wherein: 1. bearing cylinder, 2, bolt A, 3, bolt B, 4, barrel, 5, right a section of thick bamboo, 6, strengthening rib B, 7, loading board B, 701, constant head tank B, 702, counter bore, 8, loading board A, 801, constant head tank A, 9, strengthening rib A, 10, lug.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The underwater wellhead Christmas tree simulation test bearing device comprises a bearing cylinder 1, a bolt A2, a bolt B3, a cylinder body 4, a righting cylinder 5, a reinforcing rib A9, a reinforcing rib B6, a bearing plate A8, a bearing plate B7 and lifting lugs 10, wherein the bearing plate A8 is circular, the bearing cylinder 1 is welded at the top of the bearing plate A8, the lifting lugs 10 are welded at the upper part of the outer wall of the bearing cylinder 1, bolt holes are formed in the lower part of the lifting lugs 10 and the middle part of the bearing cylinder 1, the bolt holes are internally provided with bolts A2, the reinforcing rib A9 is welded between the lower part of the bearing cylinder 1 and the bearing plate A8, positioning grooves 539A 801 are formed at two ends of the bearing plate A7, bolt holes are uniformly distributed on the circumference of the bearing plate, the bolts B3 are arranged in the bolt holes, and; counter bore 702 evenly distributed at loading board B7 circumference, and loading board B7 is the ring form, loading board B7 both ends be equipped with constant head tank B701, and constant head tank B701 cooperatees with constant head tank A801, loading board B7 bottom welding have rightting a section of thick bamboo 5, strengthening rib B6 and barrel 4, and strengthening rib B6 one side welding is at the inner wall of barrel 4.
The number of the bolts A2 is 12.
The number of the bolts B3 is 12.
The number of the counter bores 702 is 12.
The size of the righting cylinder 5 is 36 inches.
The inner diameter of the righting cylinder 5 is larger than that of the bearing cylinder 1.
The reinforcing ribs B6 are triangular.
The reinforcing ribs are 4-6 blocks.
The device is born in the simulation test of subsea wellhead production tree and is divided into upper and lower two parts, the substructure mainly plays the effect of consolidating the pit shaft, loading board B7 adopts the high strength ring board, 12 counter bores 702 of equipartition on loading board B7, bolt B3 of installation plays the bearing effect when adjusting well head system level in the counter bore 702, the coincidence of bolt hole position on counter bore 702 position and the loading board A8, the welding of loading board B7 bottom has 36 cun to right a section of thick bamboo 5, and strengthen with strengthening rib B6, go into the in-process of well head system under, 36 cun rights a section of thick bamboo 5 and play the effect of righting. The entire substructure is the basis for superstructure installation and functional adjustment.
The bearing plate A8 of superstructure has welded on bearing cylinder 1, the circumference of bearing plate A8 is processed there is 12 bolt holes of M24, install leveling bolt B3 in the bolt hole, the bolt hole position is on same position with 12 counter bores 702 on the bearing plate B7, because PGB's installation will simulate the low pressure well head under 0 and 0.5 state, through adjusting 12 leveling bolt B3 and the height difference behind the counter bore 702 cooperation in the test process, adjust the different angle of well head, with the requirement of satisfying experimental operating mode. The lateral wall of bearing cylinder 1 has 12 adjustment well head pipe and centers and prevents that the bolt A2 of commentaries on classics effect, and the well head system goes into the back down, through adjusting these 12 bolt A2, can ensure that the well head system is in the state of centering, can play behind the locking bolt A2 and prevent changeing, can simulate the state after well head system cementing is accomplished. In order to facilitate the alignment of the bolt holes on the bearing plate A8 and the counter bores 702 in the installation process, positioning grooves A801 and B701 with alignment indication marks are processed on the bearing plate A8 and the bearing plate B7, and the alignment of the 12 bolt holes of the upper structure and the lower structure and the counter bores 702 is judged by aligning the positioning grooves A801 and B701 in the assembly process of the upper structure and the lower structure. The bearing cylinder 1 top is the loading end, the whole effect of weight of whole well head is on the loading end, the loading end can bear the weight more than 1000T, about 100T of whole well head upper portion actual operation operating mode, this testing arrangement can also play the effect of hoist and mount low pressure well head pipe, 1 outer wall welding of bearing cylinder has lug 10, lug 10 welding position is reasonable, the selection is welded in the focus department of instrument, just can guarantee that the vertical hoist and mount of device embolias low pressure well head pipe with a lug 10 alone, in the test process, utilize the lower terminal surface cooperation of loading end and low pressure well head pipe, realize the hoist and mount.
Claims (8)
1. Device is born in simulation test of subsea wellhead production tree, including bearing a section of thick bamboo (1), bolt A (2), bolt B (3), barrel (4), right a section of thick bamboo (5), strengthening rib A (9), strengthening rib B (6), loading board A (8), loading board B (7) and lug (10), its characterized in that: the bearing plate A (8) is in a circular ring shape, the top of the bearing plate A (8) is welded with the bearing cylinder (1), the upper part of the outer wall of the bearing cylinder (1) is welded with a lifting lug (10), bolt holes are formed in the lower part of the lifting lug (10) and the middle part of the bearing cylinder (1), bolts A (2) are installed in the bolt holes, reinforcing ribs A (9) are welded between the lower part of the bearing cylinder (1) and the bearing plate A (8), positioning grooves A (801) are formed in two ends of the bearing plate A (8), bolt holes are evenly distributed in the circumference of the bearing plate, bolts B (3) are installed in the bolt holes, and the bottom of the bolts B (3) extends into the counter bore (702); counter bore (702) evenly distributed at loading board B (7) circumference, and loading board B (7) are the ring form, loading board B (7) both ends be equipped with constant head tank B (701), and constant head tank B (701) and constant head tank A (801) cooperate, loading board B (7) bottom welding have righting a section of thick bamboo (5), strengthening rib B (6) and barrel (4), and strengthening rib B (6) one side welding is at barrel (4) inner wall.
2. The subsea wellhead christmas tree simulation test carrying device according to claim 1, wherein: the number of the bolts A (2) is 12.
3. The subsea wellhead christmas tree simulation test carrying device according to claim 1, wherein: the number of the bolts B (3) is 12.
4. The subsea wellhead christmas tree simulation test carrying device according to claim 1, wherein: the number of the counter bores (702) is 12.
5. The subsea wellhead christmas tree simulation test carrying device according to claim 1, wherein: the size of the righting cylinder (5) is 36 inches.
6. The subsea wellhead christmas tree simulation test carrier device according to claim 1 or 5, wherein: the inner diameter of the righting cylinder (5) is larger than that of the bearing cylinder (1).
7. The subsea wellhead christmas tree simulation test carrying device according to claim 1, wherein: the reinforcing rib B (6) is triangular.
8. The subsea wellhead christmas tree simulation test carrier device according to claim 1 or 7, wherein: the reinforcing ribs are 4-6 blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143661.XA CN112504822A (en) | 2021-02-03 | 2021-02-03 | Underwater wellhead Christmas tree simulation test bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110143661.XA CN112504822A (en) | 2021-02-03 | 2021-02-03 | Underwater wellhead Christmas tree simulation test bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112504822A true CN112504822A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110143661.XA Pending CN112504822A (en) | 2021-02-03 | 2021-02-03 | Underwater wellhead Christmas tree simulation test bearing device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU603741A1 (en) * | 1975-04-04 | 1978-04-25 | Краснодарский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности "Краснодарнипинефть" | Well head set for sealing deep-pumping well-head |
| CN201391264Y (en) * | 2009-04-29 | 2010-01-27 | 陈忠林 | Wellhead anti-theft and anti-blowout device |
| CN201915884U (en) * | 2011-02-14 | 2011-08-03 | 中国石油天然气股份有限公司 | Center-adjustable Christmas tree wellhead device |
| CN202176303U (en) * | 2011-08-05 | 2012-03-28 | 宝鸡石油机械有限责任公司 | Load bearing device for underwater wellhead |
| CN107842322A (en) * | 2017-10-31 | 2018-03-27 | 中海石油（中国）有限公司湛江分公司工程技术作业中心 | Heavy caliber riser pipe erection device waterborne |
-
2021
- 2021-02-03 CN CN202110143661.XA patent/CN112504822A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU603741A1 (en) * | 1975-04-04 | 1978-04-25 | Краснодарский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности "Краснодарнипинефть" | Well head set for sealing deep-pumping well-head |
| CN201391264Y (en) * | 2009-04-29 | 2010-01-27 | 陈忠林 | Wellhead anti-theft and anti-blowout device |
| CN201915884U (en) * | 2011-02-14 | 2011-08-03 | 中国石油天然气股份有限公司 | Center-adjustable Christmas tree wellhead device |
| CN202176303U (en) * | 2011-08-05 | 2012-03-28 | 宝鸡石油机械有限责任公司 | Load bearing device for underwater wellhead |
| CN107842322A (en) * | 2017-10-31 | 2018-03-27 | 中海石油（中国）有限公司湛江分公司工程技术作业中心 | Heavy caliber riser pipe erection device waterborne |
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Application publication date: 20210316 |
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