CN105299469B - Offshore exploration development operation oil-containing mixed liquor recycling method - Google Patents
Offshore exploration development operation oil-containing mixed liquor recycling method Download PDFInfo
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- CN105299469B CN105299469B CN201510736943.5A CN201510736943A CN105299469B CN 105299469 B CN105299469 B CN 105299469B CN 201510736943 A CN201510736943 A CN 201510736943A CN 105299469 B CN105299469 B CN 105299469B
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Abstract
The invention discloses a kind of offshore exploration development operation oil-containing mixed liquor recycling method, comprise the following steps：S1, by test output oil-containing mixed liquor be cached to platform fluid reservoir, be heated to certain temperature；S2, based on crude characteristic is proportionally added into pour-point depressant in platform fluid reservoir；S3, by oil transfer pump by the oil-containing mixed liquor of platform fluid reservoir through pipelined to environment protection ship cabin；S4, finite concentration nitrogen is injected in environment protection ship cabin, inerting disposal is carried out to oil-containing mixed liquor；S5, start environment protection ship cabin heating system, oil-containing mixed liquor is maintained at 40~60 DEG C；S6, by the oil-containing mixed liquor in environment protection ship cabin through pipelined to surge tank；S7, the oil-containing mixed liquor in surge tank is delivered to by production system by production platform output pump.Oil-containing mixed liquor can be delivered to from drilling platforms by the present invention by environment protection ship, production platform is delivered to after transport again and enters production system, realize the environmental requirement of " no pollution, zero-emission ".
Description
Technical field
The invention belongs to the technical field of offshore oil exploration exploitation, and in particular to a kind of offshore exploration development operation oil-containing
Mixed liquor recycling method.
Background technology
With the solid-liquid such as the output of in-place oil, fluid cushion, mud, reservoir sand in well in exploration and development operation trials production capacity
Phase material also returns to well head together, so as to form a large amount of oil-containing mixed liquors.In order to protect the marine environment and resource, promote ocean thing
The sustainable development of industry, the processing of oil-containing mixed liquor must reach " zero-emission " requirement.The place that generally use is directly burnt at present
Reason mode or be buffered in fluid reservoir with tugboat retract land handle, crude oil had both been easily caused using the processing mode directly burnt and fallen
Extra large Marine Pollution, environmentally friendly risk is high, wastes ample resources again；It is buffered in fluid reservoir and retracts land processing with tugboat, liquid storage is present
Tank frequently lifts the potential safety hazard of oil-containing mixed liquor, and because frequently lifting oil-containing mixed liquor using fluid reservoir, can cause operation branch
Holding force degree deficiency, great number drilling platforms and tugboat waiting cost.
Therefore, how timely processing oil-containing mixed liquor, realize " no pollution, zero-emission " environmental objective, be marine oil-containing
The primary problem of mixed liquor processing.
Above-mentioned discussion content purpose be to reader introduce may be described below and/or advocate it is of the invention each
The various aspects of the related technology of individual aspect, it is believed that the discussion content contributes to as reader with background's information, to be advantageous to more
Understand various aspects of the invention well, it is therefore to be understood that be that these discussions are read with this angle, it is existing without being to recognize that
Technology.
The content of the invention
A kind of offshore exploration development operation oil-containing is provided and mixed it is an object of the invention to avoid deficiency of the prior art
Liquid recycling method is closed, oil-containing mixed liquor can be delivered to environment protection ship from drilling platforms, is delivered to again after transport by it
Production platform enters production system, meet the requirement of environmental protection.
The purpose of the present invention is achieved through the following technical solutions：
A kind of offshore exploration development operation oil-containing mixed liquor recycling method is provided, for test output oil-containing to be mixed
Close liquid to be delivered to environment protection ship from drilling platforms, be delivered to production platform after transport again and enter production system, including walk as follows
Suddenly：
S1, by test output oil-containing mixed liquor be cached to platform fluid reservoir, be heated to certain temperature；
S2, based on crude characteristic is proportionally added into pour-point depressant in platform fluid reservoir；
S3, by oil transfer pump by the oil-containing mixed liquor of platform fluid reservoir through pipelined to environment protection ship cabin；
S4, finite concentration nitrogen is injected in environment protection ship cabin, inerting disposal is carried out to oil-containing mixed liquor；
S5, start environment protection ship cabin heating system, oil-containing mixed liquor is maintained at 40~60 DEG C；
S6, by the oil-containing mixed liquor in environment protection ship cabin through pipelined to surge tank；
S7, the oil-containing mixed liquor in surge tank is delivered to by production system by production platform output pump.
Wherein, in step s 2, the pour-point depressant is reduction oil-containing viscosity of mixed liquid, improves oil-containing mixed liquor mobility
Chemical agent.
Wherein, in step sl, it is heated to certain temperature using steam boiler.
Wherein, in step s3, by oil transfer pump by the oil-containing mixed liquor of platform fluid reservoir through double-stage filtering manifold, floating
Multi-layer heat preserving antistatic oil hose, environment protection ship receiving pipe line and valve enter left and right two cabins of environment protection ship.
Wherein, in step s 6, oil-containing mixed liquor is passed through by double-stage filtering pipe by the hydraulic driving screw pump of environment protection ship
Remittance, floating multi-layer heat preserving antistatic oil hose, production platform manifold and valve enter surge tank.
Wherein, the double-stage filtering manifold, can be independent for two single-stage bulk filter devices are connected by flange
Filtered, filtration operation is independently carried out with cleaning blowdown.
Wherein, the floating multi-layer heat preserving antistatic oil hose carries and oil hose can be made to float over more than sea always
Floating drum.
Wherein, the floating multi-layer heat preserving antistatic oil hose periphery, which is provided with, effectively to be protected to conveying liquid
The multi-layer heat preserving layer of temperature.
Wherein, the floating multi-layer heat preserving antistatic oil hose, which is internally provided with, can prevent oil hose both ends from producing
The antistatic copper cash of electrostatic potential difference.
Wherein, the floating multi-layer heat preserving antistatic oil hose is provided at both ends with extension section, is set inside oil hose
It has been equipped with high intensity synthesis core.
Beneficial effects of the present invention are as follows：
1st, using physical and chemical principle, based on crude characteristic is proportionally added into quantitative pour-point depressant and boiler and heated for steam,
High viscous, fluid mobility difference mixed liquor conveying and the viscosity control of transport overall process are realized, ensure that flow stability；
2nd, using double-stage filtering manifold, solid matter in oil-containing mixed liquor is effectively filtered out, avoids solid phase particles to production
The infringement of flow and instrument；
3rd, using the self-floating multi-layer heat preserving antistatic oil hose that core and antistatic copper cash are synthesized with high intensity, flexible pipe
Upper installation floating drum is floating across the sea by pipeline, and conveying fluid temperature reduces caused by solving seawater low temperature, mobility is deteriorated
Problem, and be advantageous to monitor flexible pipe whether oil leak, high intensity synthesis core greatly strengthen flexible pipe tensile strength, avoid severe sea
It is pulled off under condition, antistatic copper cash effectively prevent oil hose both ends and produce electrostatic potential difference, eliminates and electrostatic detonation occurs
Risk；
4th, during from environmentally friendly Ship Transportation to production platform, finite concentration nitrogen is injected in holding bay room, test is contained
Oily mixed liquor carries out inerting disposal, ensures transportation security, and starts cabin heating system, makes test oil-containing mixed liquor
40~60 DEG C are maintained at, ensure that flow stability.
In summary, oil-containing mixed liquor can be delivered to by the present invention by environment protection ship from drilling platforms, again after transport
It is delivered to production platform and enters production system, realizes the environmental requirement of " no pollution, zero-emission ", successfully solve marine oil-containing
The historic the difficult problem of environmental protection that liquid recycles in time, high yield, multilayer position, the job requirements of multi-well location are met again, ensure
Ask production to take the continuity of data, integrality, satisfactorily complete exploration and development purpose.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not form any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is to be delivered to environment protection ship from drilling platforms in offshore exploration development operation oil-containing mixed liquor recycling method
During schematic diagram.
Fig. 2 is from environmentally friendly Ship Transportation to production platform in offshore exploration development operation oil-containing mixed liquor recycling method
During schematic diagram.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Apply example the present invention is described in further detail, it is necessary to explanation, in the case where not conflicting, embodiments herein and
Feature in embodiment can be mutually combined.
Offshore exploration development operation oil-containing mixed liquor recycling method of the present invention, including test output oil-containing
Mixed liquor is delivered to environment protection ship from drilling platforms, is delivered to production platform after transport again enters production system.Such as Fig. 1 institutes
Show, described during drilling platforms is delivered to environment protection ship, test output oil-containing mixed liquor is cached to platform fluid reservoir first, makes
Certain temperature is heated to steam boiler, and based on crude characteristic is proportionally added into quantitative pour-point depressant, by oil transfer pump through twin-stage
Filtering manifold, floating multi-layer heat preserving antistatic oil hose, environment protection ship receiving pipe line and valve enter left and right two cabins.Such as
Shown in Fig. 2, it is described from environmentally friendly Ship Transportation to production platform during, in holding bay room inject finite concentration nitrogen, to test
Oil-containing mixed liquor carries out inerting disposal, ensures transportation security, and starts cabin heating system, mixes test oil-containing
Liquid is maintained at 40~60 DEG C, and test oil-containing mixed liquor is passed through double-stage filtering pipe by the hydraulic driving screw pump for reusing environment protection ship
Remittance, floating multi-layer heat preserving antistatic oil hose, production platform manifold and valve enter surge tank, then by defeated outside production platform
Pump, it is delivered to production system.
Specific operation process of the present invention is：(1) test output oil-containing mixed liquor is cached to platform fluid reservoir；(2) environment protection ship
The band cable that casts anchor leans on drilling platforms, and crane is connected and fixes self-floating multi-layer heat preserving antistatic oil hose, connects twin-stage mistake
Chimney filter converges and hydraulic driving screw pump；Steam boiler heats oil-containing mixed liquor to certain temperature simultaneously, and based on crude characteristic is pressed
Ratio adds quantitative pour-point depressant；(3) flow valve is turned on, water flowing pressure testing is carried out to petroleum pipeline and valve；(4) pressure testing is qualified
Afterwards, carry out conveying oil-containing mixed liquor operation from drilling platforms to environment protection ship；(5) after conveying, pipeline purging is carried out to petroleum pipeline
Rinse；(6) weather and handling situations are regarded, decides whether to await orders or removes self-floating multi-layer heat preserving antistatic oil hose, are terminated
Oil-containing mixed liquor operation is conveyed from drilling platforms to environment protection ship；(7) environmentally friendly Ship Transportation is being stored in transportation to production platform
Finite concentration nitrogen is injected in cabin, inerting disposal is carried out to test oil-containing mixed liquor, ensures transportation security, and open
Dynamic cabin heating system, makes test oil-containing mixed liquor be maintained at 40~60 DEG C；(8) environmentally friendly secure band cable leans on production platform, hangs
Car is connected and fixes self-floating multi-layer heat preserving antistatic oil hose, connects double-stage filtering manifold and hydraulic driving screw
Pump；(9) flow valve is turned on, water flowing pressure testing is carried out to petroleum pipeline and valve；(10) after pressure testing is qualified, carry out from environment protection ship to
Production platform conveys oil-containing mixed liquor operation；(11) after conveying, pipeline purging flushing is carried out to petroleum pipeline；(12) remove from floating
Formula multi-layer heat preserving antistatic oil hose, terminate the conveying operation of oil-containing mixed liquor.
Many details are elaborated in above description to facilitate a thorough understanding of the present invention, still, the present invention can be with
It is different from other modes described here using other to implement, it is thus impossible to be interpreted as limiting the scope of the invention.
In a word, although the present invention illustrates above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such change and remodeling deviate from the scope of the present invention, otherwise should all wrap
Include within the scope of the present invention.
Claims (9)
- A kind of 1. offshore exploration development operation oil-containing mixed liquor recycling method, for the oil-containing mixed liquor of output will to be tested Environment protection ship is delivered to from drilling platforms, production platform is delivered to after transport again and enters production system, it is characterised in that including Following steps：S1, by test output oil-containing mixed liquor be cached to platform fluid reservoir, be heated to certain temperature；S2, based on crude characteristic is proportionally added into pour-point depressant in platform fluid reservoir；S3, by oil transfer pump by the oil-containing mixed liquor of platform fluid reservoir through pipelined to environment protection ship cabin；S4, finite concentration nitrogen is injected in environment protection ship cabin, inerting disposal is carried out to oil-containing mixed liquor；S5, start environment protection ship cabin heating system, oil-containing mixed liquor is maintained at 40~60 DEG C；S6, by the oil-containing mixed liquor in environment protection ship cabin through pipelined to surge tank；S7, the oil-containing mixed liquor in surge tank is delivered to by production system by production platform output pump.
- 2. offshore exploration development operation oil-containing mixed liquor recycling method according to claim 1, it is characterised in that： In step s 2, the pour-point depressant is to reduce oil-containing viscosity of mixed liquid, improve the chemical agent of oil-containing mixed liquor mobility.
- 3. offshore exploration development operation oil-containing mixed liquor recycling method according to claim 1, it is characterised in that： In step sl, it is heated to certain temperature using steam boiler.
- 4. offshore exploration development operation oil-containing mixed liquor recycling method according to claim 1, it is characterised in that： In step s3, the oil-containing mixed liquor of platform fluid reservoir is prevented through double-stage filtering manifold, floating multi-layer heat preserving by oil transfer pump quiet Electric oil hose, environment protection ship receiving pipe line and valve enter left and right two cabins of environment protection ship, and the double-stage filtering manifold is will Two single-stage bulk filter devices are connected by flange, can individually be filtered, and filtration operation is independently entered with cleaning blowdown OK.
- 5. offshore exploration development operation oil-containing mixed liquor recycling method according to claim 1, it is characterised in that： In step s 6, oil-containing mixed liquor is protected by double-stage filtering manifold, floating multilayer by the hydraulic driving screw pump of environment protection ship Warm antistatic oil hose, production platform manifold and valve enter surge tank, and the double-stage filtering manifold is by two single-stage sheets Body filter is connected by flange, can individually be filtered, and filtration operation is independently carried out with cleaning blowdown.
- 6. the offshore exploration development operation oil-containing mixed liquor recycling method according to claim 4 or 5, its feature exist In：The floating multi-layer heat preserving antistatic oil hose, which carries, can make oil hose float over floating drum more than sea always.
- 7. the offshore exploration development operation oil-containing mixed liquor recycling method according to claim 4 or 5, its feature exist In：The floating multi-layer heat preserving antistatic oil hose periphery is provided with the multilayer that can be effectively incubated to conveying liquid and protected Warm layer.
- 8. the offshore exploration development operation oil-containing mixed liquor recycling method according to claim 4 or 5, its feature exist In：The floating multi-layer heat preserving antistatic oil hose, which is internally provided with, can prevent oil hose both ends from producing electrostatic potential difference Antistatic copper cash.
- 9. the offshore exploration development operation oil-containing mixed liquor recycling method according to claim 4 or 5, its feature exist In：The floating multi-layer heat preserving antistatic oil hose is provided at both ends with extension section, has been internally provided with oil hose high-strength Degree synthesis core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736943.5A CN105299469B (en) | 2015-11-03 | 2015-11-03 | Offshore exploration development operation oil-containing mixed liquor recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510736943.5A CN105299469B (en) | 2015-11-03 | 2015-11-03 | Offshore exploration development operation oil-containing mixed liquor recycling method |
Publications (2)
| Publication Number | Publication Date |
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| CN105299469A CN105299469A (en) | 2016-02-03 |
| CN105299469B true CN105299469B (en) | 2018-01-26 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5314770B2 (en) * | 1972-07-03 | 1978-05-19 | ||
| NO321304B1 (en) * | 2003-09-12 | 2006-04-24 | Kvaerner Oilfield Prod As | Underwater compressor station |
| JP4531764B2 (en) * | 2004-08-17 | 2010-08-25 | 株式会社ウイングターフ | Oil-water mixed liquid processing method |
| CN101852075A (en) * | 2009-04-03 | 2010-10-06 | 中国海洋石油总公司 | Oil-gas gathering and transferring treatment process of marine marginal oilfield |
| CN201972673U (en) * | 2011-01-28 | 2011-09-14 | 中国石油天然气股份有限公司 | Offshore oilfield scattered natural gas recovery system |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant after: China Offshore Oil Group Co., Ltd. Applicant after: CNOOC (China) Limited Zhanjiang Branch Address before: China CNOOC Building No. 25 Beijing 100000 Chaoyang District Chaoyangmen North Street Applicant before: China National Offshore Oil Corporation Applicant before: CNOOC (China) Limited Zhanjiang Branch |
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