CN205203298U - Can move to bore from lift -type and adopt platform - Google Patents
Can move to bore from lift -type and adopt platform Download PDFInfo
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- CN205203298U CN205203298U CN201520629914.4U CN201520629914U CN205203298U CN 205203298 U CN205203298 U CN 205203298U CN 201520629914 U CN201520629914 U CN 201520629914U CN 205203298 U CN205203298 U CN 205203298U
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- upper brace
- fender bracket
- mat
- spud leg
- platform
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Abstract
The utility model relates to a can move to bore from lift -type and adopt platform, including upper brace, spud leg, sink and fill up, hinder smooth stake, riser fender bracket, cable pillar and seawater lift pump fender bracket, conductor tube bearing structure, upper brace and several the spud leg upper end is connected through elevating gear, the lower extreme of spud leg with sink and fill up rigid connection, sink to fill up with the synchronous lift of spud leg, sink and fill up and be located the several below it it connects to hinder smooth stake, the upper brace is the box structure, upper brace bottom both ends are provided with the recess, upper brace bow or stern portion are equipped with the bank of a rectangular groove, riser fender bracket, cable pillar and seawater lift pump fender bracket pass respectively behind the upper brace with sink and fill up rigid connection and follow sink to fill up and follow the upper brace reciprocates, conductor tube bearing structure is located the bank below, with sink and fill up rigid connection. The utility model discloses the brill adopts that the platform is portable, repeatedly usable, can realize arranging reasonable compactness from the side's of installation function, is applicable to marine marginal oil field development.
Description
Technical field
The utility model relates to a kind of drilling and producing platform, particularly can move jack up drilling and producing platform about one.
Background technology
Along with shallow water area medium-scale exploration of oil and gas field technology in domestic marine site has been tending towards ripe, newfound large-medium oil-and-gas fields block is fewer and feweri, and wherein belong to marginal oil field category greatly, its feature is that total field putput is low, the Economical mineability time limit is short.For the exploitation of this type of marginal oil field, as adopted routine techniques and equipment, be difficult to obtain gratifying dollar return.Jack-up platform has from installing, moveable feature, is applied in marginal oil field and by platform Investment Share in multiple oil field, thus can improves the earning rate in oil field, some marginal oil fields are developed.Conventional jack-up platform has a small amount of application case at home; but this kind of platform is not all with well head and is all used spud-can; independent wellhead platform or wellhead protecting frame need be coordinated owing to not using in development of the field with well head; which increase the investment of engineering; spud-can anti-slide performance is poor; general being difficult to resists extreme environmental conditions, so general spud-can mobile platform is as needing the production platform of Year-round Operation to use.The jack up the moved drilling and producing platform that the utility model proposes is alternative before this for jacket platform and traditional jack-up platform of marginal oil field, and it effectively can reduce the cost of development of marginal oil field from installation function and reusable feature.
Utility model content
Main purpose of the present utility model is the shortcoming overcoming prior art existence, and provides one can move jack up drilling and producing platform, carries well head, can save the investment of wellhead protecting frame by platform; By adopting upper brace and the mat combination of box-type, platform can be built at building berth, and air bag can be used to carry out lower water, reducing cost of investment; By the base form adopting mat to combine with anti-skid pile, can greatly improve jack-up platform at the stability of bit manipulation and reliability, and can realize the whole platform facility of marginal oil field repeat recycling, thus significantly reduce the cost of development of marginal oil field.Provided by the utility model move jack up drilling and producing platform removable, reusable, can realize from installation side's function, defeated outside collection mud oil, production process, metering, life is supported in integrally, connection and reasonable arrangement is compact, is applicable to offshore marginal oilfield exploitation.
The purpose of this utility model is realized by following technical scheme:
Jack up drilling and producing platform can be moved, include upper brace, spud leg, mat, anti-skid pile, standpipe fender bracket, cable protecting tube and seawater lift pump fender bracket, drill conductor supporting construction, it is characterized in that described upper brace is connected by jacking system with several described spud leg upper end, lower end and the described mat of described spud leg are rigidly connected, described mat and described spud leg synchronization lifting, described mat is connected with the several described anti-skid pile be positioned at below it; Described upper brace is body structure, and bottom described upper brace, two ends are provided with groove, and described upper brace bow or stern are provided with the bank of a rectangular notch; Be rigidly connected with described mat after described standpipe fender bracket, cable protecting tube and seawater lift pump fender bracket are each passed through described upper brace and move up and down along described upper brace with described mat; described drill conductor supporting construction is positioned at below described bank, is rigidly connected with described mat.
Described mat is three-back-shaped body structure, and when described spud leg is packed up completely, described mat can receive in the groove bottom described upper brace, and described mat bottom is concordant with bottom described upper brace.
Described standpipe fender bracket, cable protecting tube and seawater lift pump fender bracket are three leg truss structures, and standpipe, cable protecting tube, seawater lift pump can be arranged in fender bracket inside, are connected with the flat seam of fender bracket.
Described drill conductor supporting construction is many legs truss form, passes when drill conductor is installed in described drill conductor supporting construction, and described drill conductor is installed rear being in the milk with described drill conductor supporting construction and is connected.
Described anti-skid pile is suction pile basis or the driving-pile foundation plinth of tubular.
The beneficial effects of the utility model: the utility model, owing to adopting technique scheme, carries well head by platform, can save the investment of wellhead protecting frame; By adopting upper brace and the mat combination of box-type, platform can be built at building berth, and air bag can be used to carry out lower water, reducing cost of investment; By the base form adopting mat to combine with anti-skid pile, can greatly improve jack-up platform at the stability of bit manipulation and reliability, and can realize the whole platform facility of marginal oil field repeat recycling, thus significantly reduce the cost of development of marginal oil field.Provided by the utility model move jack up drilling and producing platform removable, reusable, can realize from installation side's function, defeated outside collection mud oil, production process, metering, life is supported in integrally, connection and reasonable arrangement is compact, is applicable to offshore marginal oilfield exploitation.
Below in conjunction with drawings and Examples, the utility model is described further.
Accompanying drawing illustrates:
Fig. 1 is the lateral plan (standing state) that the utility model can move jack up drilling and producing platform;
Fig. 2 is the lateral plan (spud leg collapsed state) that the utility model can move jack up drilling and producing platform;
Fig. 3 is that the utility model can move jack up drilling and producing platform middle and upper part casing mesa base birds-eye view.
Major label description in figure:
1-upper brace; 2-mat; 3-spud leg; 4-anti-skid pile; 5-platform rig; 6-christmas tree; 7-drill conductor; 8-bank; 9-jacking system; 10-standpipe fender bracket; 11-cable protecting tube and seawater lift pump fender bracket; 12-drill conductor supporting construction; 13-groove.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described in detail.
As Figure 1-3, drilling and producing platform of the present utility model comprises upper brace 1, mat 2, spud leg 3 and this example of anti-skid pile 4(and selects suction pile formula anti-skid pile), standpipe fender bracket 10, cable protecting tube and seawater lift pump fender bracket 11, drill conductor supporting construction 12.
The lower end of 4 spud legs 3 is connected with mat 2, and the upper end of spud leg 3 is connected with upper brace 1 by jacking system 9, and can in the vertical direction relative movement between spud leg 3 and upper brace 1.
The box-structure of upper brace 1, bottom upper brace 1, two ends are provided with groove 13, ballast chamber, sewage cabin, fresh water tank and cabin etc. are established in upper brace 1, upper brace 1 comprises drilling module, production module, production of hydrocarbons processing module and accommodation module, the bank 8 of rectangular channel is had, for drilling well and installation drill conductor 7 at upper box body platform 1 stern.
Drill conductor supporting construction 12 and mat 2 are rigidly connected, and drill conductor supporting construction 12 is many legs truss form, passes when drill conductor 7 is installed in drill conductor supporting construction 12, and drill conductor 7 is installed rear being in the milk with drill conductor supporting construction 12 and is connected; Standpipe fender bracket 10 and cable protecting tube and seawater lift pump fender bracket 11 are three leg truss structures; be rigidly connected with mat 2 respectively; these two fender brackets all can move up and down along upper brace 1 under jacking system 9 drives with mat 2; standpipe, cable protecting tube, seawater lift pump can be arranged in fender bracket inside, are connected with the flat seam of fender bracket.
Mat 2 is three-back-shaped box-structure, and when spud leg 3 is packed up completely, mat 2 can receive in the groove 13 bottom upper brace 2, concordant with bottom upper brace 1 bottom mat 2, can use air bag launching.
The utility model can move the as follows from the key step of installation and removal process of jack up drilling and producing platform:
(1) this drilling and producing platform is dragged to site, oil field by tugboat;
(2) jacking system 9 is utilized to transfer mat 2, spud leg 3, standpipe fender bracket 10 and cable protecting tube and mud face, seawater lift pump fender bracket 11 to seabed, utilizing Platform lifting devices to lift anti-skid pile 4 times water and assisted by diver attaches it in the anti-skid stake holes of mat 2, by pre-ballast by mat 2 in seabed compacting, ensure that soil can provide enough pressure resistances, start exhaust gear on anti-skid pile 4, negative pressure is utilized to be in place by anti-skid pile, to improve plateau levels load-carrying capacity;
(3) utilize jacking system 9 lifting upper brace 1 to target job height, and upper brace 1 and spud leg 3 are locked;
(4) utilize platform rig 5 to pierce (or squeezing into) drill conductor 8 by drill conductor bracing or strutting arrangement 12, and carry out completion operation, christmas tree 6 is installed, extraction Crude Oil Transportation to production of hydrocarbons processing module, process qualified after outer defeated by oil gas standpipe;
(5) this drilling and producing platform is after 1 small oil field completes military service, is cut and reclaim drill conductor 8 by platform rig 5;
(6) connect the gas injection pipeline at anti-skid pile 4 top, by gas injection in anti-skid pile 4, anti-skid pile 4 is ejected mud face, and lifted to upper brace 1 by Platform lifting devices;
(7) jacking system 9 is utilized to transfer upper brace 1 to target draft;
(8) extract mat 2, utilize bottom jacking system 9 lifting spud leg 3 and mat 2 to upper brace 1, by tugboat, platform is dragged to next oil field repeated usage.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. can move jack up drilling and producing platform, include upper brace, spud leg, mat, anti-skid pile, standpipe fender bracket, cable protecting tube and seawater lift pump fender bracket, drill conductor supporting construction, it is characterized in that described upper brace is connected by jacking system with several described spud leg upper end, lower end and the described mat of described spud leg are rigidly connected, described mat and described spud leg synchronization lifting, described mat is connected with the several described anti-skid pile be positioned at below it; Described upper brace is body structure, and bottom described upper brace, two ends are provided with groove, and described upper brace bow or stern are provided with the bank of a rectangular notch; Be rigidly connected with described mat after described standpipe fender bracket, cable protecting tube and seawater lift pump fender bracket are each passed through described upper brace and move up and down along described upper brace with described mat; described drill conductor supporting construction is positioned at below described bank, is rigidly connected with described mat.
2. according to claim 1ly move jack up drilling and producing platform, it is characterized in that described mat is three-back-shaped body structure, when described spud leg is packed up completely, described mat can receive in the groove bottom described upper brace, and described mat bottom is concordant with bottom described upper brace.
3. according to claim 1ly move jack up drilling and producing platform; it is characterized in that described standpipe fender bracket, cable protecting tube and seawater lift pump fender bracket are three leg truss structures; standpipe, cable protecting tube, seawater lift pump can be arranged in fender bracket inside, are connected with the flat seam of fender bracket.
4. according to claim 1ly move jack up drilling and producing platform, it is characterized in that described drill conductor supporting construction is many legs truss form, drill conductor passes when installing in described drill conductor supporting construction, and described drill conductor is installed rear being in the milk with described drill conductor supporting construction and is connected.
5. according to claim 1ly move jack up drilling and producing platform, it is characterized in that described anti-skid pile is suction pile basis or the driving-pile foundation plinth of tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629914.4U CN205203298U (en) | 2015-08-20 | 2015-08-20 | Can move to bore from lift -type and adopt platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629914.4U CN205203298U (en) | 2015-08-20 | 2015-08-20 | Can move to bore from lift -type and adopt platform |
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| Publication Number | Publication Date |
|---|---|
| CN205203298U true CN205203298U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520629914.4U Active CN205203298U (en) | 2015-08-20 | 2015-08-20 | Can move to bore from lift -type and adopt platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951699A (en) * | 2016-05-11 | 2016-09-21 | 中国海洋石油总公司 | Self-install oil production platform and installation method thereof |
| CN107327629A (en) * | 2017-07-19 | 2017-11-07 | 中海油能源发展股份有限公司 | Submerged pipeline for marine jack-up unit visits accessory system and application method |
| CN107972828A (en) * | 2017-12-13 | 2018-05-01 | 中海石油(中国)有限公司上海分公司 | A kind of offshore platform |
-
2015
- 2015-08-20 CN CN201520629914.4U patent/CN205203298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951699A (en) * | 2016-05-11 | 2016-09-21 | 中国海洋石油总公司 | Self-install oil production platform and installation method thereof |
| CN107327629A (en) * | 2017-07-19 | 2017-11-07 | 中海油能源发展股份有限公司 | Submerged pipeline for marine jack-up unit visits accessory system and application method |
| CN107327629B (en) * | 2017-07-19 | 2022-11-08 | 中海油能源发展股份有限公司 | Submarine pipeline approaching auxiliary system for offshore self-elevating platform and use method |
| CN107972828A (en) * | 2017-12-13 | 2018-05-01 | 中海石油(中国)有限公司上海分公司 | A kind of offshore platform |
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