CN203497865U - Off-centering underwater casing head hoisting frame - Google Patents
Off-centering underwater casing head hoisting frame Download PDFInfo
- Publication number
- CN203497865U CN203497865U CN201320594945.1U CN201320594945U CN203497865U CN 203497865 U CN203497865 U CN 203497865U CN 201320594945 U CN201320594945 U CN 201320594945U CN 203497865 U CN203497865 U CN 203497865U
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- China
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- support frame
- connector
- frame
- adaptor union
- production tree
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Abstract
Disclosed is an off-centering underwater casing head hoisting frame. The hoisting frame comprises hangers, a support framework, a balancing weight and fitting pins. The support framework comprises a connector and I-beams. Four bearing I-beams are connected to form a rectangular frame. The four bearing I-beams are connected to the connector of the support frame. Two I-beams are led out from centers of the long edges of the rectangular frame to be connected with the support frame on the connector. The connector is fixed on the support frame. The outer wall of the connector is provided with eight slots for the fitting pins. The fitting pins are threadingly connected with the outer wall of the connector and pass through the outer wall of the connector. The hangers are respectively disposed at four opposite angles of the support frame. The balancing weight is disposed on four edges of the support frame. The hoisting frame is compact in structure, simple in operation, safe and reliable, and fully meets the requirements of safe and steady hoisting of an irregular, off-centering and large-quality underwater casing head in deep ocean drilled well operations.
Description
Technical field
The present invention relates to marine oil deep water drilling and production technology field, is exactly specifically that a kind of ocean deepwater that is suitable for bores completion and uses, and the subsea production tree of realizing irregularly shaped, eccentric, large quality is steady, the raising legs of the eccentric subsea production tree of security improvement.
Background technology
Along with the development of oil industry, it is main trend that oil-gas field development moves towards deep water.And the exploitation in deep water hydrocarbon field must be used subsea production tree.Subsea production tree generally has that volume is large, weight is large, feature in irregular shape.The horizontal subsea production tree that 13-4 gas field, city, western oil field precipice, the South Sea used of take is example, 61 tons of weight, long 5.18 meters, wide 5.10 meters, high 3.42 meters.This subsea production tree is eccentric structure before entering water, and wherein suspension centre line of centers and geometric center lines depart from 0.2m.
Subsea production tree is technology-intensive, a comprehensive very strong product because it be comply with marine oil in, the trend of deep-sea development, have boundless application prospect, can bring significant economic benefit.Because subsea production tree belongs to irregularly shaped, quality is large, its lifting transfer process requires high to stationarity.The lifting of subsea production tree in the past, shift the hoisting tool relying on, simple in structure and only have single suspension centre.Due to eccentric main equipment, in hoisting process, often occur waving and rocking spending greatly, be very easy to occur safety problem.Therefore the lifting of subsea production tree in the past, transfer have the environmental factor restrictions such as strict degree of waving and stormy waves, have to stop work and wait for good weather and sea situation in the situation that stormy waves environmental conditions is bad, have a strong impact on operation actual effect.
Eccentric subsea production tree raising legs has changed the version of single-point lifting in the past, and by subsea production tree raising legs, becoming single-point lifting is 4 liftings.The balancing weight block device of subsea production tree raising legs, the problem of can effective compensation bringing because of subsea production tree bias, lifts by crane subsea production tree with subsea production tree raising legs simple to operate, safe, reliable.
Utility model content
In order to overcome above-mentioned shortcoming, the utility model provides a kind of compact conformation, simple to operate, safe and reliable, adapts to the subsea production tree safety and steady handling demand that ocean deepwater bores irregular, eccentric in completion operation, large quality completely.
A raising legs for eccentric subsea production tree, comprises hanger, support frame, clump weight and locking pin; Described support frame comprises adaptor union and I-beam section, I-beam section by four load-bearing connects into oblong frame, article four, I-beam section is connected on the adaptor union of support frame, and two I-beam sections are drawn from rectangular frame Chang Bian center, are connected to the support frame on adaptor union; Described adaptor union is fixed on support frame, has the slot of eight locking pins on adaptor union outer wall, and locking pin is threaded connection through adaptor union outer wall; Described hanger is arranged on respectively on four diagonal angles of support frame; Clump weight is arranged on the four edges of support frame.
As further improvement of the utility model: described hanger, support frame, clump weight and locking pin all adopt corrosion resistant material to make.
As further improvement of the utility model: the raising legs of described eccentric subsea production tree adopts separate type, and installation is easy to carry.
As further improvement of the utility model: the center of gravity of subsea production tree is adjusted in the change of different position and weight on support frame of described clump weight, by four hanger connecting ropes, finally realized loop wheel machine the safety of subsea production tree, pulsation-free have been promoted.
Compared with prior art, the beneficial effects of the utility model are:
A kind of bias for oil, natural pneumatic drill completion operation is irregular, the subsea production tree raising legs of large quality.The invention solves lifting, transportation difficulty that the subsea production tree of using in oil, natural fuels deepwater development process causes due to out-of-shape, bias, large quality.Existing subsea production tree bont only has a suspension centre, because subsea production tree quality is large and out-of-shape, is very easy to wave to lifting operation and brings difficulty in lifting process.
The utility model compact conformation, simple to operate, safe and reliable, adapts to the subsea production tree safety and steady handling demand that ocean deepwater bores irregular, eccentric in completion operation, large quality completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to accompanying drawing 1, the raising legs of a kind of eccentric subsea production tree, comprises hanger 1, support frame, clump weight 2 and locking pin 3; Described support frame comprises adaptor union 4 and I-beam section 5, I-beam section 5 by four load-bearing connects into oblong frame, article four, I-beam section 5 is connected on the adaptor union 4 of support frame, and two I-beam sections 5 are drawn from rectangular frame Chang Bian center, are connected to the support frame on adaptor union 4; Described adaptor union 4 is fixed on support frame, has the slot of eight locking pins 3 on adaptor union 4 outer walls, and locking pin 3 is threaded connection through adaptor union 4 outer walls; Described hanger 1 is arranged on respectively on four diagonal angles of support frame; Clump weight 2 is arranged on the four edges of support frame.
Described hanger 1, support frame, clump weight 2 and locking pin 3 all adopt corrosion resistant material to make.
The raising legs of described eccentric subsea production tree adopts separate type, and installation is easy to carry.
The center of gravity of subsea production tree is adjusted in the change of different position and weight on support frame of described clump weight 2, by four hanger 1 connecting ropes, has finally realized loop wheel machine the safety of subsea production tree, pulsation-free are promoted.
control step is as follows:
Adaptor union 4 in raising legs overlaps to subsea production tree, and is fixed by eight pins.Clump weight 2 carries out counterweight according to the physique structure of subsea production tree and weight, with this, adjusts the center of gravity of subsea production tree.Article four, rope, successively through four hangers 1, forms four Heave Heres.By the structure function feature of above raising legs, can realize subsea production tree irregular, large quality and steadily lift by crane.
In sum, those of ordinary skill in the art reads after the utility model file, according to
The technical solution of the utility model and technical conceive are made other various corresponding conversion scheme without creative brainwork, all belong to the scope that the utility model is protected.
Claims (2)
1. a raising legs for eccentric subsea production tree, is characterized in that: comprise hanger, support frame, clump weight and locking pin; Described support frame comprises adaptor union and I-beam section, I-beam section by four load-bearing connects into oblong frame, article four, I-beam section is connected on the adaptor union of support frame, and two I-beam sections are drawn from rectangular frame Chang Bian center, are connected to the support frame on adaptor union; Described adaptor union is fixed on support frame, has the slot of eight locking pins on adaptor union outer wall, and locking pin is threaded connection through adaptor union outer wall; Described hanger is arranged on respectively on four diagonal angles of support frame; Clump weight is arranged on the four edges of support frame.
2. the raising legs of a kind of eccentric subsea production tree according to claim 1, is characterized in that: described hanger, support frame, clump weight and locking pin all adopt corrosion resistant material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594945.1U CN203497865U (en) | 2013-09-26 | 2013-09-26 | Off-centering underwater casing head hoisting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594945.1U CN203497865U (en) | 2013-09-26 | 2013-09-26 | Off-centering underwater casing head hoisting frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203497865U true CN203497865U (en) | 2014-03-26 |
Family
ID=50328863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594945.1U Expired - Fee Related CN203497865U (en) | 2013-09-26 | 2013-09-26 | Off-centering underwater casing head hoisting frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203497865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047579A (en) * | 2014-06-19 | 2014-09-17 | 中国海洋石油总公司 | Method for installing undersea production equipment |
-
2013
- 2013-09-26 CN CN201320594945.1U patent/CN203497865U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047579A (en) * | 2014-06-19 | 2014-09-17 | 中国海洋石油总公司 | Method for installing undersea production equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC (China) Limited Zhanjiang Branch Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 China oil tower, 25 Chaoyangmen North Street, Dongcheng District, Beijing Co-patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: China National Offshore Oil Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20200926 |