CN104234692A - Modularization system of deepwater test ground device - Google Patents
Modularization system of deepwater test ground device Download PDFInfo
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- CN104234692A CN104234692A CN201410485697.6A CN201410485697A CN104234692A CN 104234692 A CN104234692 A CN 104234692A CN 201410485697 A CN201410485697 A CN 201410485697A CN 104234692 A CN104234692 A CN 104234692A
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Abstract
The invention discloses a modularization system of a deepwater test ground device. The modularization system comprises a buffer tank module unit, a separator module unit, a heater module unit, a wellhead high-pressure module unit and a pump group module unit, wherein each module unit is installed on a platform deck through a bottom prying seat, a connecting pipeline is arranged in the bottom prying seat, a plurality of parts inside each module unit are connected together through a flange pipeline on a foundation, and the module units are fixedly connected together on a platform through corresponding flange pipeline inside the bottom prying seat. The modularization system is applicable to the deepwater test and completion open flow production period, capable of completely meeting the quick and flexible installation and disassembling requirement of the test and completion operation and reducing the floor occupation area of the deck, compact in structure and simple and convenient to operate. The modularization system is verified on multiple aspects such as pressure, temperature, pipe flow, erosion and vibration and provided with four emergency switch-off, sand outlet monitoring and vibration monitoring devices, so that the metering and processing of high-yield oil gas can be realized.
Description
Technical field
The present invention relates to offshore oil deep water drilling and production technology field, be specifically related to a kind of deep water test ground installation modular system being suitable for ocean deepwater and testing and use during completion.
Background technology
HYSY981 is a domestic first deep water floating drilling platform, Zhanjiang Branch of China National Offshore Oil (China) Co., Ltd. uses this platform to carry out probing and the test jobs of deep well, it is the trial first that Zhanjiang Branch of China National Offshore Oil (China) Co., Ltd. moves towards deep water, the test jobs first of CNOOC's on one's own account deep water especially, the operation of deep water will be faced with a lot of challenge in conjunction with the feature of CNOOC self on one's own account.
Deep water testing well is all high-yield well usually, and the security control of whole test process is the problem first must considered.According to current Normal practice in the world, surface testing flow adopts the pattern of prefabricated pipeline in advance to carry out, the general needs installation time offshore of 1 to 2 months and the return time of about 20 days.This pattern brings direct negative effect to deep water test, as costly, occupy offshore boring island space, affect drilling well during operating efficiency etc., once run into severe sea condition or weather, the safety etc. of returning platform brings certain potential safety hazard.For this reason, we, in the urgent need to designing a kind of requirement that can meet safety work, also can overcome the testing equipment flow system of these negative effects.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present invention be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding various aspects of the present invention better, therefore, should be appreciated that it is discuss to read these with this angle, instead of admit prior art.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and provide a kind of deep water to test ground installation modular system, it uses during being suitable for ocean deepwater test and completion, the fast and flexible installation and removal of continuous test and completion practice can be met, reduce deck area occupied, whole modularization ground equipment system compact conformation, easy and simple to handle.
Object of the present invention is achieved through the following technical solutions:
A kind of deep water is provided to test ground installation modular system, comprise surge tank modular unit, separator module unit, heater module unit, well head high voltage module unit, pump group modular unit, described surge tank modular unit, separator module unit, heater module unit, well head high voltage module unit, pump group modular unit are all arranged on Platform Deck by bottom skid, described bottom skid is built-in with connecting line, is connected between modules unit by the connecting line in corresponding bottom skid.
Wherein, described bottom skid arranges the rationed marketing of wedge shape fixed guide.
Wherein, described bottom skid is fixed with bolted form and Platform Deck spandrel girder.
Wherein, Flange joint is passed through between described connecting line.
Wherein, the order of connection of each unit is well head high voltage module unit---> heater module unit---> separator module unit---> surge tank modular unit---> pump group modular unit.
Deep water test ground installation modular system provided by the invention, comprise surge tank modular unit, separator module unit, heater module unit, well head high voltage module unit, pump group modular unit, described surge tank modular unit, separator module unit, heater module unit, well head high voltage module unit, pump group modular unit are all arranged on Platform Deck by bottom skid, described bottom skid is built-in with connecting line, is connected between modules unit by the connecting line in corresponding bottom skid.This deep water test ground installation modular system adopts the mentality of designing of modularization, integrated, mobile, facilitation, and each modular unit uses bottom sled block to combine the equipment with fixed single, and that reduces whole system takies floor space.Connecting line between modules unit is preset in the sled block of bottom, greatly reduce the connection time of on-the-spot pipeline, the fast and flexible installation and removal of continuous test and completion practice can be met, the Design Mode of bottom sled block has disperseed the pressure-bearing of deck unit area, increases the restriction of modular unit volume and height.The present invention not only meets deep water test and the high security of completion ground flow, greatly can also improve test and completion practice timeliness, saves test and completion cost, whole modularization ground equipment system compact conformation, easy and simple to handle.The present invention checks from many aspects such as pressure, temperature, Guan Liu, erosion, vibrations, is furnished with the devices such as 4 places emergent shutoff, sand production monitoring, vibration monitoring, meets metering and the process of high yield oil gas.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is deep water test ground installation modular system schematic diagram.
Fig. 2 is skid schematic diagram bottom deep water test ground installation modular system modular unit.
Detailed description of the invention
Technical scheme of the present invention is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As depicted in figs. 1 and 2, deep water test ground installation modular system of the present invention, comprises surge tank modular unit 1, separator module unit 2, heater module unit 3, well head high voltage module unit 4, pump group modular unit 5.Described surge tank modular unit 1 comprises 3 surge tank monomers, described well head high voltage module unit 4 comprises surface safety valve (SSV), desander, ground high pressure choke manifold, described pump group modular unit 5 comprises 2 gear oil pumps, 2 diaphragm pumps, and heater module unit 3 comprises heating furnace.Described surge tank modular unit 1, separator module unit 2, heater module unit 3, well head high voltage module unit 4, pump group modular unit 5 are installed in one or more bottoms skid 6, multiple parts of modules unit inside connect and are fixed in the skid 6 of bottom, and being arranged on Platform Deck by bottom skid 6, described bottom skid 6 is fixed with bolted form and Platform Deck spandrel girder.Described bottom skid 6 is built-in with connecting line 7, connected in advance in base by flange pipeline between multiple parts of modules unit inside, all connected by the connecting line 7 in corresponding bottom skid 6 between modules unit, connecting line 7 also passes through Flange joint, whole like this flow process 100% Flange joint, can avoid the destruction of high yield vibration, corrosive gas, methyl alcohol (injection of waterproof compound) etc.The order of connection of modules unit is well head high voltage module unit 4, and------> separator module unit 2---> surge tank modular unit 1---> pump group modular unit 5, passes through Flange joint between the connecting line 7 between modules unit to > heater module unit 3.
Described bottom skid 6 is arranged wedge shape fixed guide rationed marketing 8, wedge shape fixed guide rationed marketing 8 facilitates each modular unit to be fixed in the skid 6 of bottom, is also convenient to each modular unit and disassembles from bottom skid 6.
Deep water provided by the invention test ground installation modular system adopts the mentality of designing of modularization, integrated, mobile, facilitation, and each modular unit uses bottom sled block to combine the equipment with fixed single, and that reduces whole system takies floor space.Connecting line between modules unit is preset in the sled block of bottom, overwhelming majority connection is operated in base and completes, platform only needs to dock the direct pipeline of each module, greatly reduce the on-the-spot connection time, the fast and flexible installation and removal of continuous test and completion practice can be met.The Design Mode of bottom sled block has disperseed the pressure-bearing of deck unit area, increases the restriction of modular unit volume and height.The present invention not only meets the high security of deep water test and completion ground flow, greatly can also improve test and completion practice timeliness, and save test and completion cost, whole ground EM equipment module system architecture is compact, easy and simple to handle.
In control, the present invention can carry out the emergent shutoff of formation testing tree flowing flutter valve, and surface safety valve (SSV) is emergent to be turned off; Remote control button is emergent to be turned off, and emergent shutoff of high-low pressure pilot operated safety valve controls, and also can realize vibration monitoring, sand production monitoring, the multinomial monitorings such as wall thickness monitoring.
The present invention checks from many aspects such as pressure, temperature, Guan Liu, erosion, vibrations, specific as follows:
Structure check safe coefficient is high: a) Structural Static load; B) equipment load; C) wind load; D) disposal load; E) ship motion load, check result:
It is 0.75 that test deck strength checks the maximum UC value obtained;
The maximum UC value of strength check is 0.426;
Act on max line on T-shaped beam to carry and be: 94.52 KN/m < 136.17 KN/m.
Vibration check meets the demands: the Free Vibration during the resonance analyzing of hull and open flow, checks operating mode and result:
Operating mode one: fully loaded--frequency, than 0.0268<<1, meets the demands;
Operating mode two: 50% load--frequency, than 0.0227<<1, meets the demands;
Operating mode three: unloaded--frequency, than 0.0162<<1, meets the demands.
Present invention achieves Jobs on the sea land, divide 5 parts to carry out modularization all devices, the overwhelming majority connects on land, and module docking is only carried out in sea, does not need to take rig time, and the set-up time is reduced to 1/4, and each connection saves more than one hundred million unit; Each equipment of the present invention is also more concentrated: put in the usual way, need to take the 981 whole right back decks of platform, test jobs cannot carry out, after modularization, area occupied reduces by half, testing tree placement area under liberation water outlet, in addition, ground installation modular technology carries out test immediately after deep well is bored and becomes a reality, and facilitates routinizing of deepwater work.
Test ground flow modularized equipment of the present invention withstands the test of high yield, first successful Application gas output 1606276 sides/sky, condensate yield 78.4 sides/sky, creates CNOOC's gas well test maximum output record.According to the open flow ability in the maximum permission 2,200,000 sides/sky of allowable maximum velocity inverse ground flow, deep water test ground installation modular technology treating capacity of the present invention is larger, and treating capacity is as following table:
Set forth a lot of detail in description above so that fully understand the present invention, but the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; those skilled in the art although the present invention illustrates above-mentioned preferred embodiment, should illustrate, although can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (5)
1. a deep water test ground installation modular system, it is characterized in that: comprise surge tank modular unit (1), separator module unit (2), heater module unit (3), well head high voltage module unit (4), pump group modular unit (5), described surge tank modular unit (1), separator module unit (2), heater module unit (3), well head high voltage module unit (4), pump group modular unit (5) is all arranged on Platform Deck by bottom skid (6), described bottom skid (6) is built-in with connecting line (7), between modules unit, pipeline connection is all connected by the connecting line (7) in corresponding bottom skid (6).
2. deep water test ground installation modular system according to claim 1, is characterized in that: described bottom skid (6) is arranged wedge shape fixed guide rationed marketing (8).
3. deep water test ground installation modular system according to claim 1, is characterized in that: described bottom skid (6) is fixed with bolted form and Platform Deck spandrel girder.
4. deep water test ground installation modular system according to claim 1, is characterized in that: described connecting line passes through Flange joint between (7).
5. deep water test ground installation modular system according to any one of claim 1 to 4, is characterized in that: the order of connection of each modular unit is well head high voltage module unit (4)---> heater module unit (3)---> separator module unit (2)---> surge tank modular unit (1)---> pump group modular unit (5).
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| CN201410485697.6A CN104234692A (en) | 2014-09-22 | 2014-09-22 | Modularization system of deepwater test ground device |
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| CN201410485697.6A CN104234692A (en) | 2014-09-22 | 2014-09-22 | Modularization system of deepwater test ground device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134167A (en) * | 2015-08-19 | 2015-12-09 | 中国海洋石油总公司 | Special tool for deep water test depth correction |
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| US4522258A (en) * | 1982-05-14 | 1985-06-11 | Dewald Jack James | Unitized well testing apparatus for use in hostile environments |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134167A (en) * | 2015-08-19 | 2015-12-09 | 中国海洋石油总公司 | Special tool for deep water test depth correction |
| CN105134167B (en) * | 2015-08-19 | 2018-01-23 | 中国海洋石油集团有限公司 | A kind of deep water tests school depth specific purpose tool |
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Application publication date: 20141224 |