CN203846472U - Pilot production wellhead platform - Google Patents
Pilot production wellhead platform Download PDFInfo
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- CN203846472U CN203846472U CN201420222728.4U CN201420222728U CN203846472U CN 203846472 U CN203846472 U CN 203846472U CN 201420222728 U CN201420222728 U CN 201420222728U CN 203846472 U CN203846472 U CN 203846472U
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Abstract
The utility model discloses a pilot production wellhead platform. The pilot production wellhead platform comprises an upper module, a plurality of platform corner columns and a plurality of steel pile foundations. The number of the platform corner columns is equal to the number of the steel pile foundations. The upper module comprises a main deck, a production deck and a drilling deck, wherein the main deck, the production deck and the drilling deck are arranged in sequence from bottom to top. The upper end of each platform corner column is connected with the main deck. The steel pile foundations penetrate through the platform corner columns and extend out of the platform corner columns. A Christmas tree is arranged on the production deck, wherein the Christmas tree is connected with a drill conductor, and the drill conductor penetrates through the main deck and then goes on to extend downwards. A living building and a helicopter deck are arranged on the right side of the drilling deck, wherein the helicopter deck is arranged on the roof of the live building. A channel and a slideway are reserved on the left side of the drilling deck, and a drilling rig or a workover rig can slide on the channel and the slideway. By the adoption of the pilot production wellhead platform, a complicated oil deposit can be efficiently and rapidly developed at a small engineering investment under the condition of a lack of development experience, a large adjustment margin remains during development, oilfield development risk of the complicated oil deposit can be effectively restrained, and the pilot production wellhead platform has wide application prospect with respect to development of the complicated oil deposit.
Description
Technical field
The utility model relates to a kind of pilot production wellhead platform for Complex Reservoir.
Background technology
Along with the discovery in extensive self-contained oil field, sea reduces day by day, China Seas difficulties in exploration is in continuous increase, when in the face of relatively large Complex Reservoir, be usually difficult to accurately judge concrete reservoir reserve, rashly adopt the larger big-and-middle-sized wellhead platform of tradition of investment to carry out oil and gas development, because of topside facility complete function, equipment manufacturing cost is very high, and marine installation need to be employed Large Construction facility, costly, will face larger economic risk, dollar return is difficult to guarantee.Novel pilot production wellhead platform substitutes a large-scale wellhead platform, completes the runin of Complex Reservoir is adopted, and in examination recovery process, further implements Recoverable Reserves of Oilfields, can be later development and accumulates experience and collect data.Using lower investment to carry out runin adopts, if it is larger further to implement reserve potential in recovery process, can, at the other newly-built wellhead platform of this pilot production platform, realize the further exploitation to target reservoir, thereby significantly reduce development risk and the cost in Complex Reservoir oil field.
Utility model content
The purpose of this utility model is to provide a kind of pilot production wellhead platform for Complex Reservoir, the small investment scale of the utility model pilot production wellhead platform, and can dock with the second stage of wellhead platform, possesses mud oil function, be applicable to the exploitation of marine relatively large Complex Reservoir, can realize in the pilot production for Complex Reservoir and producing, and in pilot production, further implement recoverable reserves, thereby significantly reduce development risk and the cost in Complex Reservoir oil field.
Pilot production wellhead platform for Complex Reservoir provided by the utility model, it comprises upper chunk, some platform leg posts and some steel pile foundations, described platform leg post equates with the quantity of described steel pile foundation;
Described upper chunk comprises main deck, production deck and the drilling well deck setting gradually from the bottom to top;
The upper end of described platform leg post is connected with described main deck; Described steel pile foundation runs through described platform leg post and extends to outside described platform leg post;
Described production deck is provided with production tree, and described production tree is connected with waterproof casing, and described waterproof casing is through also continuing to downward-extension after described main deck;
The right side on described drilling well deck is provided with life building and helicopter deck, and described helicopter deck is located at the top in described life building;
The left side on described drilling well deck is reserved with passage and the slideway that supplies rig or workover rig to slide.
In above-mentioned pilot production wellhead platform, described production deck is provided with oil gas metering module.
In above-mentioned pilot production wellhead platform, described pilot production wellhead platform comprises 3 described platform leg posts, and left side arranges 2 described platform leg posts, and right side arranges 1 platform leg post.
In above-mentioned pilot production wellhead platform, on described main deck, production deck and drilling well deck, be equipped with interface, for connecting new platform.
The utility model is taked above technical scheme, has the following advantages:
1, the outer function such as defeated of pilot production platform centralized procurement oil, metering, in one, has been optimized platform processes scale and flow process, has reduced Complex Reservoir runin in early stage and has sent out platform facility scale required, has reduced Complex Reservoir oil field development fund input in early stage and risk.
2, pilot production platform, due to three less leg platforms of employing scale, has reduced the dependence to Large Construction boats and ships, has reduced on the one hand operating expenses, has also alleviated the pressure that construction equipment overburden is brought to programming simultaneously.
3, pilot production Platform Structure Design is upper rig of second phase or the reserved slideway of workover rig and braced structures thereof in form, realizes with the second stage of platform and shares rig or workover rig; The helicopter deck of the platform of pilot production simultaneously and synergic system and the second stage of platform are shared.Realize sharing of various kinds of equipment, facility, reduced Invitation of Oilfield Development, improved the development benefit in oil field.
The utility model can be realized the less Complex Reservoir of development Experience is carried out to efficient high-speed exploitation with less construction investment cost, and has on stream larger adjustment leeway.Can effectively control Complex Reservoir oil field development risk, for such oil field development, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model pilot production wellhead platform.
Fig. 2 is the top view on the utility model pilot production wellhead platform drilling well deck.
Fig. 3 is that the utility model pilot production wellhead platform docks schematic diagram (plane) with the second stage of platform.
Fig. 4 is that the utility model pilot production wellhead platform docks schematic diagram (facade) with the second stage of platform.
In figure, each mark is as follows:
1 upper chunk, 2 platform leg posts, 3 main decks, 4 production decks, 5 drilling well decks, 6 production trees, 7 waterproof casings, the 8th life buildings, 9 helicopter decks, 10 slideways.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further, but the utility model is not limited to following examples.
As depicted in figs. 1 and 2, be the pilot production wellhead platform that the utility model provides, platform is the fixed jacket platform of steel, it is in 40m that platform adapts to the depth of water, 3 legs, 3 king piles, three leg wellhead platforms of 6 well slots.The utility model pilot production wellhead platform comprises 1,3 platform leg posts 2 of upper chunk and 3 steel pile foundations.Wherein, upper chunk 1 is steel trussed construction, and upper chunk 1 comprises main deck 3, production deck 4 and the drilling well deck 5 setting gradually from bottom to top, and the upper end of platform leg post 2 is connected with main deck 3, steel pile foundation runs through platform leg post 2 and extends to outside platform leg post, for inserting seabed.On production deck 4, be provided with production tree 6, and production tree 6 is connected with waterproof casing 7, waterproof casing 7 through main deck 3 after and continue to downward-extension, and deeply to seabed.On production deck 4, be also provided with oil gas metering module.
On the right side on drilling well deck 5, be provided with life building 8 and helicopter deck 9, and helicopter deck 9 is located at the top in life building 8, the staffing in life building 8 is about 10 people's staffings according to estimation.In the left side on drilling well deck 5, be reserved with the passage and the slideway 10 that supply rig or workover rig to slide.On main deck 3, production deck 4 and drilling well deck 5, be provided with rectangular channel district, rig by above-mentioned rectangular channel district after again through jacket enter sea.
In order to realize the utility model pilot production wellhead platform and the second stage of newly-built platform achieves a butt joint, on main deck 4, production deck 4 and drilling well deck 5, interface is set, schematic diagram when the utility model pilot production wellhead platform docks with the second stage of newly-built platform as shown in Figure 3 and Figure 4.
Pilot production platform of the present utility model is not established drilling module, relies on jackup vessel well-digging early stage, and the later stage relies on the second stage of platform rig or workover rig to carry out drilling and repairing well operation.
In order meeting, to dock with the second stage of four leg wellhead platforms, to realize with new upper mounting plate of second phase and share rig or workover rig.The general arrangement on top layer deck 5 and structure have been done following design:
The reserved passage that supplies rig or workover rig to slide in 5 left sides, top layer deck is considered in general arrangement;
During design top layer altitude above deck, should consider the second stage of wellhead platform top layer altitude above deck, make two platform top layer altitude above deck consistent, and require top layer deck to possess certain outer length of choosing, pilot production platform and the second stage of wellhead platform top layer deck level gap are restricted to and are not more than 2m;
Slideway 10 is set on top layer deck 5, adopts welding manner to be connected with the second stage of wellhead platform slideway; The structure design on top layer deck meets rig or workover rig slides and working requirement of strength.
The pilot production wellhead platform that the utility model provides, the trussed construction that platform leg post 2 forms for steel pipe, leg post quantity is selected according to actual needs, and this example recommendations for selection 3 legs dock 2 legs of a side with the second phase, 1 leg of opposite side.Platform adopts vertical spud leg design, and platform leg post 2 is welded to connect with three main legs employings of upper chunk 1.Steel pile foundation runs through platform leg post 2, and its quantity is identical with platform leg post quantity, and slope is identical with platform leg post slope, adopts the pattern of driven pile to be fixed on seabed.Require the minimum horizontal distance between pilot production platform steel pile foundation and the second stage of newly-built platform steel pile foundation to be not less than 5 times of stake footpaths.
Second phase, newly-built platform leg quantity was not limit, and required to dock with pilot production platform the vertical or monocline of a side spud leg.Second phase platform upper brace has three layers of deck, and top layer altitude above deck is consistent with pilot production platform.In order to control pilot production platform and the second stage of platform scale of investment, should suitably reduce the second stage of Platform Deck absolute altitude, the second stage of platform open/close row deck and pilot production platform can be shared if desired, to reduce deck floor height, reduce investment outlay.
The installation steps of the utility model pilot production wellhead platform are as follows:
1) platform leg post 2: harbour is used 900 tonnes of crane barge lifting shipments; Towage is to precalculated position, and 900 tonnes of crane barge hoisted in position are used at sea;
2) steel pile foundation: use 900 tonnes of crane barges to complete and squeeze into 3 piles, 6 waterproof casings.
3) upper chunk 1: harbour is used 900 tonnes of crane barge lifting shipments, and towage is to precalculated position, and 900 tonnes of crane barge hoisted in position are used at sea.
Second phase platform installation in position step is following consistent with pilot production platform step, two platform slideways is welded to connect after in place.Complete the abutting joint of two platforms.
Claims (4)
1. a pilot production wellhead platform, is characterized in that: it comprises upper chunk, some platform leg posts and some steel pile foundations, and described platform leg post equates with the quantity of described steel pile foundation;
Described upper chunk comprises main deck, production deck and the drilling well deck setting gradually from the bottom to top;
The upper end of described platform leg post is connected with described main deck; Described steel pile foundation runs through described platform leg post and extends to outside described platform leg post;
Described production deck is provided with production tree, and described production tree is connected with waterproof casing, and described waterproof casing is through also continuing to downward-extension after described main deck;
The right side on described drilling well deck is provided with life building and helicopter deck, and described helicopter deck is located at the top in described life building;
The left side on described drilling well deck is reserved with passage and the slideway that supplies rig or workover rig to slide.
2. pilot production wellhead platform according to claim 1, is characterized in that: described production deck is provided with oil gas metering module.
3. pilot production wellhead platform according to claim 1 and 2, is characterized in that: described pilot production wellhead platform comprises 3 described platform leg posts.
4. pilot production wellhead platform according to claim 3, is characterized in that: on described main deck, production deck and drilling well deck, be equipped with interface, for connecting new platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222728.4U CN203846472U (en) | 2014-05-04 | 2014-05-04 | Pilot production wellhead platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222728.4U CN203846472U (en) | 2014-05-04 | 2014-05-04 | Pilot production wellhead platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846472U true CN203846472U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222728.4U Withdrawn - After Issue CN203846472U (en) | 2014-05-04 | 2014-05-04 | Pilot production wellhead platform |
Country Status (1)
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| CN (1) | CN203846472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105292392A (en) * | 2015-11-09 | 2016-02-03 | 中国海洋石油总公司 | Relocatable self-elevating drilling production platform and self-installing and recycling method thereof |
| CN105297698A (en) * | 2015-09-28 | 2016-02-03 | 中国海洋石油总公司 | Pile foundation type reinforced concrete structure offshore oil platform |
| CN110228569A (en) * | 2019-06-14 | 2019-09-13 | 上海外高桥造船有限公司 | The setting method of drilling platforms and helicopter platform |
-
2014
- 2014-05-04 CN CN201420222728.4U patent/CN203846472U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297698A (en) * | 2015-09-28 | 2016-02-03 | 中国海洋石油总公司 | Pile foundation type reinforced concrete structure offshore oil platform |
| CN105297698B (en) * | 2015-09-28 | 2017-04-19 | 中海油能源发展股份有限公司 | Pile foundation type reinforced concrete structure offshore oil platform |
| CN105292392A (en) * | 2015-11-09 | 2016-02-03 | 中国海洋石油总公司 | Relocatable self-elevating drilling production platform and self-installing and recycling method thereof |
| CN105292392B (en) * | 2015-11-09 | 2017-10-20 | 中国海洋石油总公司 | One kind can move jack up drilling production platform and its self installation and recovery method |
| CN110228569A (en) * | 2019-06-14 | 2019-09-13 | 上海外高桥造船有限公司 | The setting method of drilling platforms and helicopter platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |