CN201148193Y - Water cushion self-propelled sea drill platform - Google Patents
Water cushion self-propelled sea drill platform Download PDFInfo
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- CN201148193Y CN201148193Y CNU2008200617656U CN200820061765U CN201148193Y CN 201148193 Y CN201148193 Y CN 201148193Y CN U2008200617656 U CNU2008200617656 U CN U2008200617656U CN 200820061765 U CN200820061765 U CN 200820061765U CN 201148193 Y CN201148193 Y CN 201148193Y
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Abstract
The utility model relates to a water-cushion self-propelled offshore drilling platform applied to shallow seas, particularly to ''ultra-shallow seas'' between zero meters and ten meters, or to mudflat areas. The water-cushion self-propelled offshore drilling platform can overcome the difficulty in moving, which is caused by the shallow water, much silt, thick ice, etc. of the ''ultra-shallow sea'' or mudflat areas. In the technical scheme, the drilling platform is composed of an upper deck, upright posts, crawling blade driving devices, water injection holes, a water-cushion buoyant box and pits. The upper deck is supported by the four upright posts, the lower ends of which are jointed with the water-cushion buoyant box; the two symmetrically arranged pits are arranged at the bottom of the water-cushion buoyant box; the sidewall of each pit is provided with two water injection holes communicated with a water pump; the crawling blade driving devices, the heights of which can be adjusted according to silt conditions on mudflats, are mounted on the front and rear sides of the water-cushion buoyant box. The drilling platform can independently move on mudflats, with no limit to operation, high efficiency and low cos. The drilling platform with a wide range of applications is not affected by the depth of seawater in course of moving and can be used for oil-gas drilling on the shallow sea.
Description
Technical field
The utility model relates to a kind of particularly load bearing equipment of 0-10 rice " utmost point shallow sea " oil/gas drilling of shallow sea that is used for, by alleviating platform weight to water cushion buoyancy tank water filling pressurization, and make its water cushion self-propelled marine drilling platform that can move voluntarily by crawler type blade actuating device, belong to base type and move the drilling platform category.
Background technology
Along with the continuous expansion of marine oil gas field investigation and prospecting deeply and the raising of sea boring, production technique, more and more offshore oil and gas field is found and drops into exploitation.According to marine geologic survey, promptly stretch from the continent to marine edge in " utmost point shallow sea " area wherein, and the depth of water is about 10 meters, and oil-gas reservoir is rich at shallow sea between continental shelf and land and seabeach, such as the Bohai Sea, South Yellow Sea and the area, the East Sea of China.And " utmost point shallow sea " or Haiti, beach district be because shallow, the characteristics such as mud is more, ice thickness of its water, the drilling operation flat-bed moved proposed very big challenge.At present, from navigating the base type platform, it relies on towboat to move after need arranging the certain ballast water of Vent in the main right and wrong of " utmost point shallow sea " regional general-duty marine drilling platform.Its shortcoming is that platform does not have ability voluntarily, needs to rely on additional equipment (such as towboat) to move, and has significant limitation in the operation; Also be subjected to the influence of factors such as Haiti, beach district is sea water advanced, weather conditions in this external moving process, if sea water advanced too little then very difficult realization drilling platform is mobile.
Summary of the invention
The purpose of this utility model is: in order to overcome " utmost point shallow sea " or the beach area difficulty that water is shallow, reasons such as mud is many, ice thickness cause Haiti, beach district drilling platform to be difficult to move, the spy provides a kind of water cushion self-propelled marine drilling platform.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of water cushion self-propelled marine drilling platform, form by promenade deck, column, crawler type paddle actuating device, water injection hole, water cushion buoyancy tank, pit.It is characterized in that the promenade deck is supported by four root posts, column lower end and water cushion buoyancy tank connect; The pit of two symmetric arrangement is arranged at water cushion buoyancy tank bottom; Two water injection holes that communicate with water pump are arranged on each pit sidewall; Crawler type paddle actuating device is equipped with in water cushion buoyancy tank fore-and-aft direction both sides, and its height is adjusted according to the situation of beach mud.
Working process of the present utility model is: when platform is static, the water cushion buoyancy tank of drilling well is sitting on the beach, the outshot that remove beyond the pit water cushion buoyancy tank bottom is absorbed in the mud, mud on the beach enters in two pits of water cushion buoyancy tank bottom, and platform relies on the mutual action held stationary in outshot and seabed; When needs are mobile, water pump is through two the pit water fillings of water injection hole to the buoyancy tank bottom, when the pressure of water between pit end face and the mud divided pressure to the seabed greater than water cushion buoyancy tank bottom tab, the water between pit end face and the mud just can be walked around water cushion buoyancy tank bottom and be absorbed in outshot discharge in the mud.Relation according to application force and antagonistic force, glassware for drinking water between pit end face and the mud has very big pressure, this pressure also acts on the end face of pit, forming the floating whole platform of pressure handle of water cushion upwards holds up, along with water injection pressure increases, when the pressure of water between pit end face and the mud reaches water cushion buoyancy tank bottom tab branch to the pressure in seabed, platform just is in just and floats state of equilibrium, so reduced the pressure of water cushion buoyancy tank bottom tab branch to the seabed greatly, promptly the crawler type paddle actuating device actual weight that need hold retaining is alleviated; Start crawler type paddle actuating device this moment, and whole platform is moved forward, because the water cushion buoyancy function, the flat-bed advance resistance will reduce greatly.Reach when being enough to float whole platform when sea water advanced, start crawler type blade actuating device, platform just can be from navigating in water; If at " utmost point shallow sea " or shoal area, the platform bottom is absorbed in the mud, just can adopt the utility model water cushion buoyancy tank mode voluntarily to move, up to the pre-location of well.
The beneficial effects of the utility model are: (1), this drilling platform can not need to rely on and add driven equipment and just can move voluntarily on beach, operate and are not limited to, and efficient height, cost are low.(2), moving process do not influence by the seawater depth, Applicable scope is extensive.Can directly rely on crawler type blade actuating device to move in the shoal water zone, just can utilize water cushion buoyancy tank mode voluntarily to move in " utmost point shallow sea " or shoal area.(3), water cushion buoyancy tank bottom makes the pit shape of two symmetries, and is more stable in the time of at the bottom of the static seat.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the utility model water cushion self-propelled marine drilling platform.
Fig. 2 is that its A-A is to birds-eye view.
Among the figure: 1 promenade deck, 2 columns, 3 crawler type blade actuating devices, 4 water injection holes, 5 water cushion buoyancy tanks, 6 pits.
The specific embodiment
When platform is not mobile, the water cushion buoyancy tank 5 of drilling well is sitting on the beach, the outshot that remove beyond the pit 6 water cushion buoyancy tank 5 bottoms is absorbed in the mud, and the mud on the beach enters in two pits 6 of water cushion buoyancy tank 5 bottoms, and platform relies on the mutual action held stationary in outshot and seabed; When needs are mobile, water pump is through two pit 6 water fillings of water injection hole 4 to the buoyancy tank bottom, when the pressure of water between pit 6 end faces and the mud divided pressure to the seabed greater than water cushion buoyancy tank 5 bottom tab, the water between pit 6 end faces and the mud just can be walked around water cushion buoyancy tank 5 bottoms and be absorbed in outshot discharge in the mud.Relation according to application force and antagonistic force, glassware for drinking water between pit 6 end faces and the mud has very big pressure, this pressure also acts on the end face of pit 6, forming the floating whole platform of pressure handle of water cushion upwards holds up, along with water injection pressure increases, when the pressure of water between pit 6 end faces and the mud reaches water cushion buoyancy tank 5 bottom tab branches to the pressure in seabed, platform just is in just and floats state of equilibrium, so reduced the pressure of water cushion buoyancy tank 5 bottom tab branches to the seabed greatly, promptly the actual weight that need bear of crawler type paddle actuating device 3 is alleviated; Start crawler type paddle actuating device 3 this moment, and whole platform is moved forward, because the water cushion buoyancy function, the flat-bed advance resistance will reduce greatly.Reach when being enough to float whole platform when sea water advanced, start crawler type blade actuating device 3, platform just can be from navigating in water; If at " utmost point shallow sea " or shoal area, the platform bottom is absorbed in the mud, just can adopt the utility model water cushion buoyancy tank mode voluntarily to move, up to the pre-location of well.
The weight of supposing whole drilling platform is 3000 tons, and the total floor space of water cushion buoyancy tank is 20 * 40=800 sq m, and the area of pit portion is 2 * 300=600 sq m, and then the area of water cushion buoyancy tank bottom tab branch is 200 sq ms.When platform was static, it was 3000 ÷ 200=15 ton/sq ms that water cushion buoyancy tank bottom tab is divided the pressure P to the seabed; When the platform needs were mobile, water pump to the pit water filling, made the pressure P between pit end face and the mud through water injection hole
1Rise, as pressure P
1Be increased to the pressure P of water cushion buoyancy tank bottom tab branch to the seabed
1The time, platform just is in just and floats state of equilibrium, i.e. P
1=P
1, relational expression 200 * P is arranged
1+ 2 * 300P
1=3000, solve P
1=3.75 tons/sq m; Can know P according to above relational expression
1Size when having only platform static water cushion buoyancy tank bottom tab branch to 1/4th of seabed pressure P.So 3000 tons platform has only 750 tons of weight to act on the seabed by water cushion buoyancy tank bottom tab branch, promptly the crawler type blade actuating device weight that need bear driving has only 750 tons, has so just reduced the platform moving resistance greatly.
Claims (2)
1, a kind of water cushion self-propelled marine drilling platform, form by promenade deck (1), column (2), crawler type paddle actuating device (3), water injection hole (4), water cushion buoyancy tank (5), pit (6), it is characterized in that, promenade deck (1) is supported by four root posts (2), and column (2) lower end and water cushion buoyancy tank (5) connect; The pit (6) of two symmetric arrangement is arranged at water cushion buoyancy tank (5) bottom; On each pit (6) sidewall two water injection holes that communicate with water pump (4) are arranged; Crawler type paddle actuating device (3) is equipped with in water cushion buoyancy tank (5) fore-and-aft direction both sides.
2, marine drilling platform according to claim 1 is characterized in that: crawler type paddle actuating device (3) height is adjusted according to the situation of beach mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200617656U CN201148193Y (en) | 2008-01-11 | 2008-01-11 | Water cushion self-propelled sea drill platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200617656U CN201148193Y (en) | 2008-01-11 | 2008-01-11 | Water cushion self-propelled sea drill platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201148193Y true CN201148193Y (en) | 2008-11-12 |
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ID=40115960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200617656U Expired - Fee Related CN201148193Y (en) | 2008-01-11 | 2008-01-11 | Water cushion self-propelled sea drill platform |
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| Country | Link |
|---|---|
| CN (1) | CN201148193Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190072A (en) * | 2010-03-08 | 2011-09-21 | 大连船舶重工集团有限公司 | Jack-up and self-propelled workboat in intertidal zone |
| CN101857072B (en) * | 2010-06-09 | 2012-09-26 | 中国海洋石油总公司 | Unconditional stability equipped deep-draft floating production platform and offshore installation method thereof |
| CN103101608A (en) * | 2013-01-24 | 2013-05-15 | 江苏道达海洋装备技术有限公司 | Auxiliary quick floating device of water surface floating building and application method thereof |
| CN103129714A (en) * | 2013-01-28 | 2013-06-05 | 江苏道达海洋装备技术有限公司 | Bottom water locking device of auxiliary quick floating device of water floating building |
| CN103168137A (en) * | 2010-10-21 | 2013-06-19 | 科诺科菲利浦公司 | Ice worthy jack-up drilling unit |
| CN107117269A (en) * | 2017-04-18 | 2017-09-01 | 江苏科技大学 | A kind of new semi-submersible offshore platform and application method suitable for the arctic |
| CN108069015A (en) * | 2018-01-25 | 2018-05-25 | 西南石油大学 | A kind of transmission device for underwater robot |
| CN109944546A (en) * | 2019-02-23 | 2019-06-28 | 中国石油大学(华东) | Seabed drilling machine running gear and method |
-
2008
- 2008-01-11 CN CNU2008200617656U patent/CN201148193Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190072A (en) * | 2010-03-08 | 2011-09-21 | 大连船舶重工集团有限公司 | Jack-up and self-propelled workboat in intertidal zone |
| CN102190072B (en) * | 2010-03-08 | 2015-08-26 | 大连船舶重工集团有限公司 | Intertidal zone self-elevating self-propelled type work boat |
| CN101857072B (en) * | 2010-06-09 | 2012-09-26 | 中国海洋石油总公司 | Unconditional stability equipped deep-draft floating production platform and offshore installation method thereof |
| CN103168137A (en) * | 2010-10-21 | 2013-06-19 | 科诺科菲利浦公司 | Ice worthy jack-up drilling unit |
| CN103168137B (en) * | 2010-10-21 | 2016-06-08 | 科诺科菲利浦公司 | Iceproof jack-up rigs unit |
| CN103101608A (en) * | 2013-01-24 | 2013-05-15 | 江苏道达海洋装备技术有限公司 | Auxiliary quick floating device of water surface floating building and application method thereof |
| CN103129714A (en) * | 2013-01-28 | 2013-06-05 | 江苏道达海洋装备技术有限公司 | Bottom water locking device of auxiliary quick floating device of water floating building |
| CN107117269A (en) * | 2017-04-18 | 2017-09-01 | 江苏科技大学 | A kind of new semi-submersible offshore platform and application method suitable for the arctic |
| CN108069015A (en) * | 2018-01-25 | 2018-05-25 | 西南石油大学 | A kind of transmission device for underwater robot |
| CN108069015B (en) * | 2018-01-25 | 2023-06-27 | 西南石油大学 | Transmission device for underwater robot |
| CN109944546A (en) * | 2019-02-23 | 2019-06-28 | 中国石油大学(华东) | Seabed drilling machine running gear and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20120111 |