CN202467829U - Integrated mechanical water detection, water plugging and channeling detection tubular column - Google Patents
Integrated mechanical water detection, water plugging and channeling detection tubular column Download PDFInfo
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- CN202467829U CN202467829U CN2012200976458U CN201220097645U CN202467829U CN 202467829 U CN202467829 U CN 202467829U CN 2012200976458 U CN2012200976458 U CN 2012200976458U CN 201220097645 U CN201220097645 U CN 201220097645U CN 202467829 U CN202467829 U CN 202467829U
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Abstract
The utility model provides an integrated mechanical water detection, water plugging and channeling detection tubular column. The tubular column is connected with an oil pump, a pressure guide sieve tube, a first packer, a drug storing device, a normally-closed first water plugging switch, a second packer, a normally-opened second water plugging switch and a plug in order from top to bottom; the drug storing device consists of an eccentric pipe body; a dead hole is arranged at the outer side of a thick wall of the eccentric pipe body; a tracer agent is contained at the bottom of the dead hole; and crystal paraffin and a temporary blocking agent are arranged outside the tracer agent in sequence in a sealed manner. According to the integrated mechanical water detection, water plugging and channeling detection tubular column provided by the utility model, the drug storing device with the tracer agent is additionally arranged in a layer section plugged by the two packers. With regard to the production of the other one layer section, when a water discharging condition of the production layer section is analyzed, liquid produced by the layer section is tested to judge whether the liquid contains the tracer agent, so as to analyze whether a channeling phenomenon exists outside an analyzing sleeve; therefore, a process of the channeling detection, the water detection and the water plugging is realized by putting the tubular column once; and the work construction is simplified and the water detection and plugging efficiency of an oil well is improved.
Description
Technical field
The utility model is about a kind of flow string, relates in particular to a kind of mechanical layering water detection, water blockoff that is applied to petroleum production engineering field oil-water well and also can manage the outer multi-functional tubing string of scurrying of testing.
Background technology
The mechanical water searching and blocking technology is a kind of technology commonly used during oil field development is produced, and through the development differentiation of decades, the present water-plugging technique of looking for has formed multiple tubing string type, can satisfy different qualities oil-water well needs.Whether scurry logical between the outer oil of checking sleeve pipe, the water layer and scurry the technological measure that logical situation is carried out, be called to test and scurry.Testing the method for scurrying has the packer method, several kinds of radioisotope logging method harmony width of cloth well logging methods etc., and the most frequently used method is that packer is tested the method for scurrying.Sleeve pipe is tested and scurried is the groundwork that the mechanical water searching and blocking process implementing need be done before.
At present in the prior art; Testing and scurrying tubing string and water detecting and plugging pipe column is separately to implement, and needs operation repeatedly to play lower tubular column, promptly is lowered to earlier to test and scurries tubing string; Can select for use the single-stage packer to test to scurry to test and scurry two kinds of tubular column structures with the twin-stage packer; Behind the checking sleeve pipe no problem, trip out to test and scurry tubing string, be lowered to water detecting and plugging pipe column again.Therefore, at present look for water blockoff, test that to scurry the job execution operation still comparatively complicated.
Thus, the inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of mechanical water detection water blockoff and tests and scurry combined string, to overcome the defective of prior art.
The utility model content
The purpose of the utility model is to provide a kind of mechanical water detection water blockoff to test and scurries combined string, can realize being lowered to sleeve pipe that tubing string accomplishes oil well and test outward and scurry and look for water-plugging technology, simplifies job execution, improves oil well and looks for water blockoff efficient.
The purpose of the utility model is to realize like this; A kind of mechanical water detection water blockoff is tested and is scurried combined string, said combined string from top to bottom be linked in sequence oil well pump, pilot screen casing, first packer, medicament memory, first water blocked switch, second packer, second water blocked switch and plug; Said medicament memory is made up of an eccentric body, is provided with blind hole in the heavy wall outside of this off-centre body, and tracer is equipped with in said blind hole bottom, and the tracer outside seals successively and is provided with quartzy paraffin and diverting agent; Said first water blocked switch is normally closed water blocked switch, and said second water blocked switch is for often opening water blocked switch.
In a preferred embodiments of the utility model, said medicament memory sidewall is provided with a plurality of blind holes.
In a preferred embodiments of the utility model, said each blind hole center line is axial vertical with eccentric body.
In a preferred embodiments of the utility model, all adopt screwed connection between said oil well pump, pilot screen casing, first packer, medicament memory, first water blocked switch, second packer, second water blocked switch and the plug.
In a preferred embodiments of the utility model, be connected with oil pipe between said each parts.
In a preferred embodiments of the utility model, the melting point of said quartzy paraffin is 50 ℃; The water-soluble time of said diverting agent is between 24～48 hours.
From the above mentioned, the mechanical water detection water blockoff of the utility model is tested and is scurried combined string, in the interval of two packer shutoff, increases the medicament memory that has tracer; The another one interval is produced, when the analysis pay interval goes out aqueous condition, this interval output liquefaction is tested whether contain tracer; Thereby whether the analysis sleeve pipe scurries the groove phenomenon outward; Realize being lowered to sleeve pipe that tubing string accomplishes oil well thus and test outward and scurry and look for water-plugging technology, simplified job execution, improved oil well and looked for water blockoff efficient.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein:
Fig. 1: for utility model machinery water detection water blockoff is tested the structural representation of scurrying combined string.
Fig. 2: for utility model machinery water detection water blockoff is tested the structure enlarged diagram of scurrying medicament memory in the combined string.
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present.
Like Fig. 1, shown in Figure 2; The utility model proposes a kind of mechanical water detection water blockoff and tests and scurry combined string 100, said combined string 100 from top to bottom be linked in sequence oil well pump 1, pilot screen casing 2, first packer 3, medicament memory 4, first water blocked switch 5, second packer 6, second water blocked switch 7 and plug 8; Said oil well pump 1, pilot screen casing 2, first packer 3, first water blocked switch 5, second packer 6, second water blocked switch 7 and plug 8 are prior art; Said medicament memory 4 is made up of an eccentric body; All adopt screwed connection between above-mentioned each parts; In this embodiment, can connect the oil pipe of respective length between each parts according to real well deep feeling condition; The heavy wall outside at the eccentric body of this medicament memory is provided with blind hole 41, and said blind hole 41 can be provided with a plurality of, and said blind hole 41 center lines are axial vertical with eccentric body; Tracer 91 is equipped with in blind hole 41 bottoms, and tracer 91 outsides seal successively and are provided with quartzy paraffin 92 and diverting agent 93, by quartzy paraffin and diverting agent tracer are played double seal and protective effect; Said tracer 91, quartzy paraffin 92 and diverting agent 93 are current material, and in this embodiment, the melting point of said quartzy paraffin is 50 ℃; The water-soluble time of said diverting agent is between 24～48 hours; Said first water blocked switch 5 is that normally closed water blocked switch is not (that is: before suppressing adjustment water blocked switch duty; This first water blocked switch is in closed condition); Said second water blocked switch 7 is for often opening water blocked switch (that is: before not suppressing adjustment water blocked switch duty, this second water blocked switch is in opening).
During use; Combined string 100 begins to be connected with while being lowered to successively plug 8, second water blocked switch 7, second packer 6 (Y211 packer) from the bottom; According to plugged well section thickness; The oil pipe that can connect respective length is lowered to first water blocked switch 5, medicament memory 4, first packer 3 (Y111 packer), pilot screen casing 2, oil well pump 1 again, is lowered to the oil pipe of certain-length at last once more.In the eyelet of medicament memory 4 (blind hole 41) tracer is housed, tracer scribbles quartzy paraffin 92 and diverting agent 93 outward successively, plays the effect of sealing and protection tracer; Wherein, the melting point of quartzy paraffin is at 50 ℃, and the water-soluble time of diverting agent is controlled at (special oil well can be adjusted according to hole condition) between 24-48 hour.Under the operation behind the intact tubing string; Seat envelope first packer 3 and second packer 6; By upper and lower two sections oil reservoirs corresponding first water blocked switch 5 of difference and second water blocked switch 7 of first packer 3 and 6 isolation of second packer; Said medicament memory 4 is in same isolation interval (in this embodiment with the first normally closed water blocked switch 5; The position of first water blocked switch 5 and second water blocked switch 7 can be adjusted according to reservoir condition, but medicament memory 4 must be in same interval with first water blocked switch of cutting out).
Can take out the lower layer position that produces prior setting by normal pump after after the operation completion.After 24 hours, the blind hole 41 outer field diverting agents 93 of medicament memory 4 decompose thawing with quartzy paraffin 92 wax layers, and tracer 91 gets in the interval of shutoff, at this moment can manage outer testing and scurry; Liquid to extraction is chemically examined continuously, if contain the composition of tracer 91 in the extraction liquid, explains that shutoff interval liquid passes through the outer channelling of sleeve pipe to pay interval, exists the outer problem of scurrying groove of pipe.If chemical examination is the composition of tracer 91 never, explain that oil well casing do not scurry the groove phenomenon outward.
According to practical condition, when needing transposing producing zone position, add certain pressure through the oil jacket annular space after some days on ground; Hydraulic oil presses screen casing to get into oil pipe by the economy-combat of cover annular space, and the high pressure of hydraulic oil acts on the down-hole and looks on the water blocked switch, the duty of two water blocked switches of adjustment; The feed pathway that opens or closes the respective layer water blocked switch (that is: is opened first water blocked switch 5; Close second water blocked switch 7), continue to produce another layer position, accomplish fixed tubular column and transfer layer water-plugging technology.Upper lifting pipe post when needing deblocking is accomplished the action of packer deblocking, and tubing string integral body is tripped out, and finally accomplishes water detection, water blockoff, tests and scurry tubing string technology one time.
From the above mentioned, the mechanical water detection water blockoff of the utility model is tested and is scurried combined string, in the interval of two packer shutoff, increases the medicament memory that has tracer; The another one interval is produced, when the analysis pay interval goes out aqueous condition, this interval output liquefaction is tested whether contain tracer; Thereby whether the analysis sleeve pipe scurries the groove phenomenon outward; Realize being lowered to sleeve pipe that tubing string accomplishes oil well thus and test outward and scurry and look for water-plugging technology, simplified job execution, improved oil well and looked for water blockoff efficient.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (6)
1. a mechanical water detection water blockoff is tested and is scurried combined string, it is characterized in that: said combined string from top to bottom be linked in sequence oil well pump, pilot screen casing, first packer, medicament memory, first water blocked switch, second packer, second water blocked switch and plug; Said medicament memory is made up of an eccentric body, is provided with blind hole in the heavy wall outside of this off-centre body, and tracer is equipped with in said blind hole bottom, and the tracer outside seals successively and is provided with quartzy paraffin and diverting agent; Said first water blocked switch is normally closed water blocked switch, and said second water blocked switch is for often opening water blocked switch.
2. mechanical water detection water blockoff as claimed in claim 1 is tested and scurried combined string, it is characterized in that: said medicament memory sidewall is provided with a plurality of blind holes.
3. according to claim 1 or claim 2 mechanical water detection water blockoff is tested and is scurried combined string, and it is characterized in that: said each blind hole center line is axial vertical with eccentric body.
4. mechanical water detection water blockoff as claimed in claim 1 is tested and is scurried combined string, it is characterized in that: all adopt screwed connection between said oil well pump, pilot screen casing, first packer, medicament memory, first water blocked switch, second packer, second water blocked switch and the plug.
5. mechanical water detection water blockoff as claimed in claim 4 is tested and is scurried combined string, it is characterized in that: be connected with oil pipe between said each parts.
6. mechanical water detection water blockoff as claimed in claim 1 is tested and scurried combined string, it is characterized in that: the melting point of said quartzy paraffin is 50 ℃; The water-soluble time of said diverting agent is between 24～48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200976458U CN202467829U (en) | 2012-03-15 | 2012-03-15 | Integrated mechanical water detection, water plugging and channeling detection tubular column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200976458U CN202467829U (en) | 2012-03-15 | 2012-03-15 | Integrated mechanical water detection, water plugging and channeling detection tubular column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467829U true CN202467829U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200976458U Expired - Lifetime CN202467829U (en) | 2012-03-15 | 2012-03-15 | Integrated mechanical water detection, water plugging and channeling detection tubular column |
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| CN (1) | CN202467829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587896A (en) * | 2012-03-15 | 2012-07-18 | 中国石油天然气股份有限公司 | Mechanical water exploration and water plugging channeling detection composite tubular column |
| CN105019884A (en) * | 2014-04-25 | 2015-11-04 | 天津大港油田钻采技术开发公司 | Screen pipe horizontal well production profile testing apparatus and testing method for same |
-
2012
- 2012-03-15 CN CN2012200976458U patent/CN202467829U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587896A (en) * | 2012-03-15 | 2012-07-18 | 中国石油天然气股份有限公司 | Mechanical water exploration and water plugging channeling detection composite tubular column |
| CN102587896B (en) * | 2012-03-15 | 2015-08-05 | 中国石油天然气股份有限公司 | Machinery water detection water blockoff is tested and is altered combined string |
| CN105019884A (en) * | 2014-04-25 | 2015-11-04 | 天津大港油田钻采技术开发公司 | Screen pipe horizontal well production profile testing apparatus and testing method for same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |