CN1818335A - Trial four-linking technology - Google Patents
Trial four-linking technology Download PDFInfo
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- CN1818335A CN1818335A CNA2006100593411A CN200610059341A CN1818335A CN 1818335 A CN1818335 A CN 1818335A CN A2006100593411 A CNA2006100593411 A CN A2006100593411A CN 200610059341 A CN200610059341 A CN 200610059341A CN 1818335 A CN1818335 A CN 1818335A
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Abstract
A technique for testing oil in the process of reconnoiters oil field, the working procedures are: perforation, test, pumping and acidification which is the improvement, that can be achieved the four procedures by only one time pipe column which protect oil layer, save fund and quicken the speed of testing oil. In economy benefit, compare with others, it can save 150,000 Yuan and shorten 5 days in one layer each testing oil period, and suit for construct on both land and sea.
Description
Technical field
The present invention relates to the technical matters in a kind of oil field prospecting exploitation formation testing process.
Background technology
Because the formation testing technology just develops towards the mode that the combination connection is done; each technology of formation testing disperses independent construction to become concentrated associating construction relatively; like this; promptly protected oil-gas Layer to reduce injury has for the second time been caused on the stratum; improved economic benefit again; accelerated formation testing speed, and more safe and reliable, satisfy the QHSE requirement.Formation testing combination technique at present commonly used is made technology for test three, though this technology has possessed plurality of advantages, also exists deficiency, and the first, little and corrosion resistance reason not can not be carried out measures such as acidifying transformation with same tubing string because of MFE tester axle internal diameter; The second, the tubing string complexity, the execute-in-place operation is many, breaks down easily; The 3rd, for non-few, influence determining of fluidity from the spray-up lifting rate; The 4th, the mechanical manometer precision of use is low, and clock is restricted the duration of runs in well, can not realize the monitoring of formation testing overall process pressure, temperature.
Summary of the invention
Purpose of the present invention just provides a kind of new formation testing combination technique technology, with the protection oil-gas Layer, saves the formation testing expense, accelerates formation testing speed.
The objective of the invention is to be realized by following technical scheme: this trial four-linking technology comprises following operation: (1) perforation, (2) test, (3) pump row, its improvements are also to comprise following operation: (4) acidifying.
Above-mentioned trial four-linking technology, described (1) perforation operation depth error is at ± 20cm.
Above-mentioned trial four-linking technology, described (3) pump row operation are meant after (1) perforation operation that oil and gas production is low or the stratum lifting rate is few, when fluidity is unclear, carry out pump row operation.
After above-mentioned trial four-linking technology, described (4) acidizing process were meant (3) pump row operation, oil gas did not reach commercial hydrocarbon flow, or formation lithology is limestone or contains the grey matter composition, carried out acidizing process.
This trial four-linking technology, one-trip string just can be finished perforation, test, pump row, acidifying quadrinomial job, have protected oil-gas Layer, have improved data quality, have saved the formation testing expense and have accelerated formation testing speed, easy construction safety.Analyze from the economic benefit aspect, compare with conventional underbalance perforating, individual layer can be saved about 15.0 ten thousand yuan of formation testing expense, and shortens about 5 days of individual layer formation testing cycle.Especially improve data quality, realized the monitoring of formation testing overall process down-hole pressure, temperature, can satisfy the standard-required that data is got in formation testing fully, had excellent popularization to be worth and application prospects, be fit to all land and test offshore wells well constructions.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail:
See also shown in Figure 1ly, the formation testing tetrad is meant that as technology perforation, test, pump row, acidifying measure adopt one-trip string to finish.Its basic functional principle: instruments such as perforating gun, salvagable testing arrangement, hydraulic pumps with tubing string G.I.H together, back, location caber perforation, surveying liquid level asks product or ground blowing to ask product, shut-in pressure survey is extensive, then carry out pump row as need pump row and ask product, as measures such as need acidification to dispel block, then under the fixed tubular column situation, construct.
Perforation operation depth error is at ± 20cm.For the perforation bullet, there is not particular restriction substantially, as long as be fit to casing size, but to avoid using synergy bullet perforating gun as far as possible, because of the perforating bullet of the type produces twice ignition, the back ignites specifically that to produce high pressure-temperature bigger, to packer and pressure in respect of certain detrimental effect.
Test step is meant to ask and produces and pressure measurement that finish with the salvagable testing arrangement, the effect that can play blanking plug possesses the function of pressure measurement again.
If behind perforation and the test step hydrocarbon stratum yield poorly or the stratum lifting rate few, when fluidity is unclear, carry out pump row operation.In pump when row,, what adopted the down-hole is short hydraulic jet pump, lightly easy, and the pump efficiency height is drawn and can be reached 3500m deeply; Ground adopts piston pump as power for water recirculation, generally be the direct circulation method, squeeze into the oil jacket annular space from oil pipe and return out that the stratum liquid that returns out with power fluid enters measuring tank, the height of pure rising is exactly the liquid measure of stratum output, and tolerance is then lighted a fire after eliminator separates and burnt.
After the pump row operation,, especially do not reach commercial hydrocarbon flow, at this moment just need improve output by well stimulations such as acidifyings if stratum daily output oil gas is lower.In addition, formation lithology is limestone or contains the grey matter composition and generally all adopt the acidifying measure that by acidifying corrosion stratum, broadening increases the duct, stratum, improves the stratum filtration ability.
So far, perforation, test, pump row and acidifying quadrinomial job have just been finished.
Claims (4)
1, a kind of trial four-linking technology comprises following operation: (1) perforation, (2) test, (3) pump row is characterized in that also comprising following operation: (4) acidifying.
2, a kind of trial four-linking technology according to claim 1 is characterized in that described (1) perforation operation depth error is at ± 20cm.
3, a kind of trial four-linking technology according to claim 1 is characterized in that described (3) pump row operation is meant after (1) perforation operation that oil and gas production is low or the stratum lifting rate is few, when fluidity is unclear, carries out pump row operation.
4, a kind of trial four-linking technology according to claim 1, it is characterized in that described (4) acidizing process is meant (3) pump row operation after, oil gas does not reach commercial hydrocarbon flow, or formation lithology is limestone or contains the grey matter composition, carries out acidizing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100593411A CN1818335A (en) | 2006-03-03 | 2006-03-03 | Trial four-linking technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100593411A CN1818335A (en) | 2006-03-03 | 2006-03-03 | Trial four-linking technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1818335A true CN1818335A (en) | 2006-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100593411A Pending CN1818335A (en) | 2006-03-03 | 2006-03-03 | Trial four-linking technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN1818335A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564022A (en) * | 2014-09-03 | 2015-04-29 | 北京石大博诚科技有限公司 | BOSW supermicro oil production test liquid construction method |
| CN105089567A (en) * | 2014-05-08 | 2015-11-25 | 天津大港油田钻采技术开发公司 | Adjustable quick liquid discharging and oil testing device for low-density fluid in deep well and operating method of adjustable quick liquid discharging and oil testing device |
-
2006
- 2006-03-03 CN CNA2006100593411A patent/CN1818335A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089567A (en) * | 2014-05-08 | 2015-11-25 | 天津大港油田钻采技术开发公司 | Adjustable quick liquid discharging and oil testing device for low-density fluid in deep well and operating method of adjustable quick liquid discharging and oil testing device |
| CN105089567B (en) * | 2014-05-08 | 2018-01-05 | 天津大港油田钻采技术开发公司 | Deep-well is adjustable low density flow quick fluid-discharge formation testing device and its operational method |
| CN104564022A (en) * | 2014-09-03 | 2015-04-29 | 北京石大博诚科技有限公司 | BOSW supermicro oil production test liquid construction method |
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