CN108166974A - The test made with perforation connection samples integrated device - Google Patents
The test made with perforation connection samples integrated device Download PDFInfo
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- CN108166974A CN108166974A CN201611113702.6A CN201611113702A CN108166974A CN 108166974 A CN108166974 A CN 108166974A CN 201611113702 A CN201611113702 A CN 201611113702A CN 108166974 A CN108166974 A CN 108166974A
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 230000000704 physical effect Effects 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/088—Well testing, e.g. testing for reservoir productivity or formation parameters combined with sampling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of test made with perforation connection and samples integrated device, the test made with perforation connection samples integrated device and includes vacuum sample cylinder, votage control switch and packer, the test made with perforation connection is sampled integrated device and sets the precalculated position in well by the packer, perforating gun is located at the lower end of the packer, the votage control switch is located at the lower end of perforating gun, in perforating gun perforation, during the produced fluid pressure rise of stratum, the votage control switch is by pressure activated, inlet opening on the votage control switch is opened, liquid is made to enter the vacuum sample cylinder, to carry out formation testing in the vacuum sample cylinder, the upper end of the vacuum sample cylinder is connected by hoop with the votage control switch, the vacuum sample cylinder is fluid sampling device and vacuumizes in advance.This samples integrated device with the test that perforation connection is made can realize that perforation, test, high pressure physical property sample are integrated, can replace bore hole/completion formation testing of current complex process completely.
Description
Technical field
The present invention relates to formation testing technical fields, and it is integrated to especially relate to a kind of test sampling made with perforation connection
Device.
Background technology
Formation testing technology is a kind of method of final determining oil-gas Layer property, it not only has quick, economic spy
Point, and can directly enroll the parameter under oil-gas reservoir production status from dynamic angle.It can find in time and correctly evaluate oil gas
It hides, serves the overall process of oil-gas exploration, exploitation.Its work progress be by oil pipe by testing tool tripping in test zone with
On, by terrestrial operation, make packer set, mud/perforating fluid and other intervals with test layer are isolated, then controlled by ground
System opens downhole testing valve, the formation fluid of test zone is made to be flowed into tubing string through screen casing, until ground.It can carry out repeatedly
Open and close well, the flowing that drives a well acquire yield, and shut-in pressure survey acquires pressure data, while can be with high-pressure sampling.
Current completion dst technology is mainly as follows：
1st, after oil well completion, perforating gun is carried by oil pipe, in oil reservoir perforation, opens oil reservoir channel.Perforation schematic diagram
As shown in Figure 1.
2nd, perforation tubular column is proposed, tripping in again carries the tubing string of formation test tool, controls, makes by ground-support equipment
It forms a temporary production system, the oil reservoir penetrated out is sampled, the work such as pressure measurement, directly the yield of admission oil reservoir,
Pressure, temperature and sample.
The formation test tool of mainstream mainly has MFE and APR at present.
1) MFE testing tools
MFE testing tools realize underground open and close well by the put-on and delegated of oil pipe.Valve is tested when tool is gone into the well and is in pass
Closed state, after reaching test predetermined depth, packer setting applies gravity, through delay after a period of time, tubing string by tubing string
Instantaneous tenesmus 25.4mm, test valve are opened, and well head reaction shakes for tubing string.Tubing string is above carried and slightly above free point, replace machine
Structure automatic position-changing, test valve can be closed by then transferring tubing string again.Tubing string is so raised and decentralized repeatedly, and it is multiple can will to test valve
It opens and closes.MFE testing tools string mainly includes multi-current tester (MFE), hydraulic locking connector, safety joint, telescopic joint
Head, manometer, TR timings bumper jar, packer etc..
2) APR testing tools
APR Full path measurers are a kind of applied pressure by annulus formula testing tools.In the case where test string is motionless, control is utilized
Multiple switching well is realized in the application and release of ring governor pressure processed.APR tests system mainly includes LPR-N tests valve, RD safety
Circulating valve, hydraulic circulation valve, BJ bumper jars, RTTS safety joints, RTTS packers, full-bore manometer etc..
LPR-N test valves are substituted the bad for the good the high-purity nitrogen of design pressure in advance on ground, and ball valve is in closed position, tool
After arriving precalculated position packer setting down, to annular space plus predetermined pressure, pressure passes to power mandrel, moves down it, drives power
Arm rotates ball valve, and realization drives a well.When needing closing well, annular pressure is discharged, under nitrogen pressure effect, power mandrel moves up band
Dynamic power arm, closes ball valve.So operate repeatedly, it can be achieved that multiple switching well.
3rd, it proposes tubing string, the data and sample of admission is played back and enrolled.
More than formation tester has been widely used at present, but its defect is clearly：1st, core tool structure is answered
Miscellaneous, maintenance difficulties are big；2nd, related tool is more, and tubing string is complicated, in underground easy break-down；3rd, complicated construction technique, to construction personnel
Quality, skill requirement are high；4th, core tool needs import, and technology is under one's control；5th, high pressure physical property sample amount is less, is no more than
2000ml, caused by strata pressure fluctuation it is small, detection pressure radius is short；6th, it is costly.Thus we have invented it is a kind of it is new with
The test that perforation connection is made samples integrated device, solves more than technical problem.
Invention content
The object of the present invention is to provide it is a kind of can realize with perforation connection make formation testing, high pressure physical property sample with penetrating
The test of Kong Lianzuo samples integrated device.
The purpose of the present invention can be achieved by the following technical measures：The test made with perforation connection samples integrated dress
It puts, the test that should make with perforation connection samples integrated device and includes vacuum sample cylinder, votage control switch and packer, the packer
The test made with perforation connection is sampled into integrated device and sets the precalculated position in well, perforating gun is located under the packer
End, which is located at the lower end of perforating gun, in perforating gun perforation, stratum produced fluid pressure rise, the votage control switch
By pressure activated, the inlet opening on the votage control switch is opened, and liquid is made to enter the vacuum sample cylinder, in the vacuum sample cylinder
Formation testing is carried out, the upper end of the vacuum sample cylinder is connected by hoop with the votage control switch, which takes for liquid
Sampling device is simultaneously vacuumized.
The purpose of the present invention can be also achieved by the following technical measures：
The test made with perforation connection samples integrated device and further includes pressure temperature meter support cylinder, the upper end of the pressure temperature meter support cylinder
It is connected by hoop with the vacuum sample cylinder, pressure temperature meter card slot is provided on the pressure temperature meter support cylinder to place in terms of pressure temperature, records shaft bottom
Pressure and temp changes.
The sampling cylinder of the vacuum sample cylinder is the metal tube of high-strength corrosion-resisting, and the lower end of the vacuum sample cylinder is with pumping
Vacuum valve after the full seal of tube, is vacuumized by the vacuum pumping valve.
The vacuum sample cylinder is the multi-stage vacuum cylinder of mounting, to carry out multistage sampling.
The votage control switch includes control circuit, pressure sensor, inlet opening and solenoid valve, pressure sensor detection casing
Interior pressure, and this pressure signal transmission to the control circuit, which is connected to the pressure sensor, in pressure signal
After reaching setting triggering pressure, which controls the electromagnetism valve events, which is connected to the control circuit, and
The feed liquor hole path is opened or closed under the control of the control circuit.
The votage control switch further includes check valve, which is located at the lower section of the feed liquor hole path, when which opens,
Outside liquid enters the vacuum sample cylinder of lower end connection by the check valve, and the check valve is true at this liquid and pressure seal
In empty sampler barrel, high pressure physical property sample is realized.
The votage control switch further includes battery compartment, equipped with high temperature resistant battery in the battery compartment, is passed to the control circuit, the pressure
Sensor is powered.
The test made with perforation connection in the present invention samples integrated device, complete for open hole well formation testing and casing
Well formation testing by the voltage-controlled vacuum sample cylinder of special designing, in completion formation testing, can realize what is made with perforation connection
Formation testing, high pressure physical property sample.The present invention using special designing voltage-controlled vacuum sample cylinder and pressure temperature meter support cylinder, perforation it
Afterwards, high pressure physical property sample and data record are carried out, so as to fulfill perforation, test, high pressure physical property sample integration, can be taken completely
For bore hole/completion formation testing of current complex process.Compared with prior art, the present invention has the following advantages：1st, a pipe
Column realizes perforation, test, high pressure physical property sample；2nd, pipe string combination tool is few, only includes：Packer, perforating gun, voltage-controlled vacuum take
Sample cylinder, pressure temperature meter；3rd, construction technology is simple, after tubing string tripping in, is not required to any handling tubing string and compression motion；4th, high pressure object
Property sample volume it is big, single-unit sampling is not less than 40000ml；5th, range of pressure fluctuations is big, and well test analysis result is more reliable, to stratum
Understanding is more accurate；6th, sampler barrel multiple can be connected, and realize multiple switching well；7th, it is low-cost；8th, nuclear structure is simply easily tieed up
Shield.
Description of the drawings
Fig. 1 is the perforation schematic diagram of the prior art；
Fig. 2 is the structure chart that the test made with perforation connection of the present invention samples a specific embodiment of integrated device；
Fig. 3 is votage control switch schematic diagram in a specific embodiment of the invention；
Fig. 4 is vacuum sample cylinder schematic diagram in a specific embodiment of the invention；
Fig. 5 is that temperature meter support cylinder schematic diagram is pressed in the specific embodiment of the present invention.
Specific embodiment
For enable the present invention above and other objects, features and advantages be clearer and more comprehensible, it is cited below particularly go out preferable implementation
Example, and coordinate shown in attached drawing, it is described in detail below.
As shown in Fig. 2, Fig. 2, which is the test made with perforation connection of the present invention, samples the structure chart of integrated device.It should be with
The test that perforation connection is made samples integrated device by 4 groups of pressure temperature meter support cylinder 1, vacuum sample cylinder 2, votage control switch 3 and packer
Into.
As shown in figure 3, pressure temperature meter support cylinder 1 is hollow thick-walled metal cylinder, sidewall symmetry is provided with pressure temperature meter card slot, minor diameter
Pressure temperature meter is stuck in card slot, records bottom pressure temperature change, including the variation of sampler barrel feed liquor staged pressure and the pressure in later stage
Restore.It is connected by hoop with vacuum sample cylinder.In one embodiment, hoop above is connected with vacuum sample cylinder 2, below
Hoop, can be with other tools such as connected pipes as spare.
As shown in figure 4, vacuum sample cylinder 2 includes hoop, cylinder and vacuum pumping valve are sampled.The sampling of vacuum sample cylinder 2
Cylinder is the metal tube of a high-strength corrosion-resisting, and upper end is connected by airtight hoop with votage control switch 3, lower end by hoop with
Pressure temperature meter support cylinder 1 is connected.Lower end carries vacuum pumping valve, after the full seal of tube, can be vacuumized by this valve.
Workflow：3 lower end of votage control switch is connected to by hoop, is vacuumized later on ground, perforation is then formed and surveys
Test tube column, G.I.H precalculated position and set packer.After perforation, pressure activated is worked as in stratum produced fluid, pressure rise
After votage control switch 3, votage control switch 3 opens inlet opening, and liquid enters sampler barrel, achievees the purpose that simulated production.Liquid is full
Later, stratum continues to produce liquid, and pressure is opened raising and restored.2 single-unit longest 8m, φ 89mm of vacuum sample cylinder, primary sample are not less than
40000ml, much larger than current formation tester sample volume.And multi-stage vacuum cylinder can be mounted：Level-one samples, can be well
Cylinder perforating fluid/mud takes totally；Two level samples, and can be ensured to be formation fluid completely.Sample volume is big, to the pressure shadow on stratum
It rings greatly, so as to involve stratum depths, the confidence level of data handled by PRESSURE DATA is just high.It can realize simultaneously arbitrary
Secondary switch well, the time for switching well is adjustable.
As shown in figure 5, votage control switch 3 is mainly by battery compartment, control circuit, pressure sensor, check valve, inlet opening and electricity
Magnet valve forms.The built-in high temperature resistant battery of battery compartment is powered to control circuit, pressure sensor.
Control circuit is the brain of this votage control switch, and main there are three act on：1) pressure that pressure sensor transmits is received
Electric signal；2) action of solenoid valve is controlled；3) the preset program manually set, judges pressure signal accordingly, so as to control electromagnetism
Valve events.
Pressure sensor mainly detects set overpressure, and this pressure signal is transformed into electric signal and passes to control electricity
Road.
Solenoid valve can open or close feed liquor hole path under the control of control circuit.
Its workflow：Pressure sensor senses inside pipe casing oil-air pressure, after reaching triggering pressure, control circuit is given
Solenoid valve applies electric current, and electromagnetism valve events open inlet opening, and outside liquid enters the vacuum sample of lower end connection by check valve
Cylinder, check valve can realize liquid and pressure seal in vacuum sample cylinder, realize high pressure physical property sample.
The use process that the test made with perforation connection of the present invention samples integrated device is：
1st, tubing string is connected, is followed successively by from bottom to top：Pressure temperature meter support cylinder+vacuum sample cylinder+votage control switch+perforating gun+packing
Device+oil pipe；
2nd, to votage control switch setting triggering mode (time triggered/pressure activated)；
3rd, sampler barrel is vacuumized；
4th, entrance aperture layer position, set packer under tubing string；
5th, perforation links up oil reservoir；
6th, pressure activated votage control switch, inlet opening are opened, and liquid enters vacuum sample cylinder, and simulated production, sampling, pressure are extensive
Formation testings step is waited again；
7th, pressure temperature meter record data；
8th, it proposes tubing string, high pressure property analysis is carried out to the liquid in sampler barrel；
9th, well test analysis is carried out to the data of pressure temperature meter；
10th, it can be connected with multiple voltage-controlled vacuum sample cylinders, so as to fulfill the switch well of arbitrary time.
Claims (7)
1. the test made with perforation connection samples integrated device, which is characterized in that the test that should make with perforation connection samples one
The device of change includes vacuum sample cylinder, votage control switch and packer, which samples one by the test made with perforation connection
The device of change sets the precalculated position in well, and perforating gun is located at the lower end of the packer, which is located under perforating gun
End, in perforating gun perforation, stratum produced fluid pressure rise, the votage control switch by pressure activated, on the votage control switch into
Fluid apertures is opened, and liquid is made to enter the vacuum sample cylinder, to carry out formation testing in the vacuum sample cylinder, the vacuum sample cylinder
Upper end is connected by hoop with the votage control switch, and the vacuum sample cylinder is fluid sampling device and vacuumizes in advance.
2. the test according to claim 1 that connection is made with perforation samples integrated device, which is characterized in that should and perforation
The test that connection is made samples integrated device and further includes pressure temperature meter support cylinder, and the upper end of the pressure temperature meter support cylinder passes through hoop and the vacuum
Sampler barrel is connected, and pressure temperature meter card slot is provided on the pressure temperature meter support cylinder to place in terms of pressure temperature, records bottom pressure temperature change.
3. the test according to claim 1 made with perforation connection samples integrated device, which is characterized in that the vacuum takes
The sampling cylinder of sample cylinder is the metal tube of high-strength corrosion-resisting, and the lower end of the vacuum sample cylinder is with vacuum pumping valve, the full seal of tube
Later, it is vacuumized by the vacuum pumping valve.
4. the test according to claim 1 made with perforation connection samples integrated device, which is characterized in that the vacuum takes
Sample cylinder is the multi-stage vacuum cylinder of mounting, to carry out multistage sampling.
5. the test according to claim 1 that connection is made with perforation samples integrated device, which is characterized in that this is voltage-controlled to open
Pass includes control circuit, pressure sensor, inlet opening and solenoid valve, pressure sensor detection set overpressure, and this is pressed
Force signal passes to the control circuit, which is connected to the pressure sensor, and setting triggering pressure is reached in pressure signal
After power, which controls the electromagnetism valve events, which is connected to the control circuit, and in the control of the control circuit
The feed liquor hole path is opened or closed under system.
6. the test according to claim 5 that connection is made with perforation samples integrated device, which is characterized in that this is voltage-controlled to open
Pass further includes check valve, which is located at the lower section of the feed liquor hole path, and when which opens, outside liquid passes through the list
Enter the vacuum sample cylinder of lower end connection to valve, which in the vacuum sample cylinder, realizes liquid and pressure seal
High pressure physical property sample.
7. the test according to claim 5 that connection is made with perforation samples integrated device, which is characterized in that this is voltage-controlled to open
Pass further includes battery compartment, equipped with high temperature resistant battery in the battery compartment, powers to the control circuit, the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113702.6A CN108166974B (en) | 2016-12-06 | 2016-12-06 | Device integrated with perforation combined test and sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113702.6A CN108166974B (en) | 2016-12-06 | 2016-12-06 | Device integrated with perforation combined test and sampling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108166974A true CN108166974A (en) | 2018-06-15 |
| CN108166974B CN108166974B (en) | 2022-02-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611113702.6A Active CN108166974B (en) | 2016-12-06 | 2016-12-06 | Device integrated with perforation combined test and sampling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617063A (en) * | 2019-11-10 | 2019-12-27 | 夏惠芬 | Deep well casing external annulus two-stage monitoring sampler and monitoring method thereof |
| CN110656913A (en) * | 2019-10-29 | 2020-01-07 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
| CN112729603A (en) * | 2020-12-25 | 2021-04-30 | 中海石油(中国)有限公司海南分公司 | Discrete multipoint temperature measuring device and measuring method thereof |
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| CN110656913A (en) * | 2019-10-29 | 2020-01-07 | 大庆金祥寓科技有限公司 | Method for contrast test of well completion effect of perforation process |
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