CN203594400U - Blowout-prevention device for continuous pipe type cable test - Google Patents
Blowout-prevention device for continuous pipe type cable test Download PDFInfo
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- CN203594400U CN203594400U CN201320623516.2U CN201320623516U CN203594400U CN 203594400 U CN203594400 U CN 203594400U CN 201320623516 U CN201320623516 U CN 201320623516U CN 203594400 U CN203594400 U CN 203594400U
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- sealing drum
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Abstract
The utility model provides a blowout-prevention device for a continuous pipe type cable test. The blowout-prevention device comprises a hydraulic sealing drum fixedly connected on a test channel, and a packing rope sealing drum is fixedly connected to the upper end of the hydraulic sealing drum. A rubber ring sealing drum is fixedly connected to the upper portion of the packing rope sealing drum, and through sealing chambers are arranged in the packing rope sealing drum and the rubber ring sealing drum. A packing rope sealing section formed by a coiled packing rope is arranged in the sealing chamber of the packing rope sealing drum, and a rubber ring sealing section formed by a plurality of rubber rings is arranged in the sealing chamber of the rubber ring sealing drum. A screwed plug is fixed on the upper portion of the rubber ring sealing section in a pressed manner, and each of the packing rope sealing section, the rubber ring sealing section and the screwed plug is provided with a through hole for a continuous pipe type cable. The sidewall of the hydraulic sealing drum is connected with a hydraulic oil case through a hydraulic pipe. The blowout-prevention device ensures excellent sealing performance of an instrument when the instrument is put down into a well, and hydraulic profile test and construction is completed when a horizontal well operates normally.
Description
Technical field
The utility model is about a kind of device for horizontal well continuous-tube wireline test in oil field, relates in particular to a kind of blowout hookup of continuous-tube wireline test.
Background technology
At present, each elephant all takes much count of the exploitation of horizontal well, because horizontal well production is large, and normally 3～5 of straight well output times, so it is very fast to take effect.But along with the prolongation horizontal well water outlet situation of recovery time is serious, a lot of wells are because water logging and closing well causes the loss in oil field.For this reason, horizontal well water exit position is carried out shutoff by technician also active research corresponding measure, but this need to find water exit position, so, horizontal well produced fluid cross section technology has been proposed.
Carry tester and be lowered to the producing profile testing technology of mode for continuous-tube cable (continuous-tube cable is with continuous steel pipe, logging cable to be wrapped in to the inside to remove and the instrument of signal transmission as tester), continuous-tube cable guide is positioned at above well head and apart from the about 3m of well head place, and tester is conventionally more than this position, so tester need to separately be lowered to; That is: first the lower half-section of tester is lowered in pit shaft, and then upper half-section is connected, this just need to install blowout hookup at two-tube shaft mouth test, thereby in the situation that oil well has pressure, prevents having liquid or gas ejection in well, to guarantee construction safety.
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes a kind of blowout hookup of continuous-tube wireline test, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of blowout hookup of continuous-tube wireline test, can the in the situation that of the normal production of horizontal well, complete producing profile testing construction; Realize the sealing between two-tube shaft mouth test and continuous-tube cable.
The purpose of this utility model is to realize like this, a kind of blowout hookup of continuous-tube wireline test, described blowout hookup comprises the hydraulic packing cylinder being fixedly connected in test channel, described hydraulic packing cylinder upper end is fixedly connected with packing rope sealing drum, and packing rope sealing drum top is fixedly connected with rubber sealing cylinder; In described packing rope sealing drum and rubber sealing cylinder, be provided with the annular seal space of perforation; In the annular seal space of described packing rope sealing drum, form packing rope seal section by the packing rope coiling; Multiple cushion rubbers are set in the annular seal space of described rubber sealing cylinder and form rubber sealing section; Described rubber sealing section top has fixedly been installed with a plug; On described packing rope seal section, rubber sealing section and plug, be equipped with the through hole through described continuous-tube cable; The sidewall of described hydraulic packing cylinder is connected in a hydraulic oil container by a hydraulic line.
In a preferred embodiments of the present utility model, described hydraulic packing cylinder inner upper end and be positioned at packing rope sealing drum below and be fixed with a sealing ring; The cable head of tester is located in sealing circle.
In a preferred embodiments of the present utility model, the barrel of described packing rope sealing drum be provided with one with the spout of its annular seal space conducting; This spout is provided with open flow valve.
In a preferred embodiments of the present utility model, the big up and small down shape of annular seal space of described packing rope sealing drum.
From the above mentioned, the blowout hookup of the utility model continuous-tube wireline test, carry for continuous-tube cable the producing profile testing technology that tester is lowered to mode and seal to guarantee construction safety, realize and complete producing profile testing construction produce in the situation that horizontal well is normal; Can be to carrying out three grades of sealings such as rubber sealing, the sealing of packing rope, hydraulic packing between two-tube shaft mouth test and continuous-tube cable, guarantee fashionablely under tester also can there is good sealing, realize the construction demand of production limit, limit test.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: for the blowout hookup of the utility model continuous-tube wireline test is arranged on the structural representation of well head.
The specific embodiment
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast accompanying drawing the specific embodiment of the present utility model is described.
As shown in Figure 1, the utility model proposes a kind of blowout hookup 100 of continuous-tube wireline test, described blowout hookup 100 is arranged on the decentralized wellhead 9 of two-tube testing well, described blowout hookup 100 comprises the hydraulic packing cylinder 1 being fixedly connected in test channel 91, described hydraulic packing cylinder 1 upper end is fixedly connected with packing rope sealing drum 2, and packing rope sealing drum 2 tops are fixedly connected with rubber sealing cylinder 3; In described packing rope sealing drum 2 and rubber sealing cylinder 3, be provided with the annular seal space of perforation; In the annular seal space of described packing rope sealing drum 2, form packing rope seal section 21 by the packing rope coiling; Multiple cushion rubbers are set in the annular seal space of described rubber sealing cylinder 3 and form rubber sealing section 31; Described rubber sealing section 31 tops have fixedly been installed with a plug 4; On described packing rope seal section 21, rubber sealing section 31 and plug 4, be equipped with the through hole through described continuous-tube cable 8; The sidewall of described hydraulic packing cylinder 1 is connected in a hydraulic oil container 12 by a hydraulic line 11; Described hydraulic packing cylinder 1 inner upper end and be positioned at packing rope sealing drum 2 belows and be fixed with a sealing ring 13; The cable head 71 of tester 7 is located in sealing circle 13.
In the present embodiment, the barrel of described packing rope sealing drum 2 be provided with one with the spout 5 of its annular seal space conducting; This spout 5 is provided with open flow valve 51.
In the present embodiment, the big up and small down shape of annular seal space of described packing rope sealing drum 2; The annular seal space diameter of described rubber sealing cylinder 3 is less than the annular seal space diameter of described packing rope sealing drum 2.
From the above mentioned, the blowout hookup of the utility model continuous-tube wireline test, decentralized wellhead sealing when can be used for continuous-tube cable and being lowered to high angle hole, horizontal well and testing, in the situation that well head pressure is not more than 10MPa, guarantee the wellhead sealing of test, can the in the situation that of the normal production of horizontal well, complete producing profile testing construction.
The use procedure of the blowout hookup of the utility model continuous-tube wireline test is as follows:
As shown in Figure 1, continuous-tube cable 8 is through plug 4, and multiple cushion rubbers are enclosed within on continuous-tube cable 8 and pass rubber sealing cylinder 3, and multiple cushion rubbers are stayed the described rubber sealing section 31 of the interior formation of annular seal space of rubber sealing cylinder 3; Packing rope is wrapped on continuous-tube cable 8 and passes packing rope sealing drum 2, and the packing rope of winding is stayed the interior formation of the annular seal space packing rope seal section 21 of packing rope sealing drum 2; Now, rubber sealing cylinder 3 is fixedly connected with packing rope sealing drum 2, and plug 4 is fixedly connected on rubber sealing cylinder 3 to compress described multiple cushion rubber (in the present embodiment, after packing rope and cushion rubber all place and with stop-leak compound, fill, to increase sealing effectiveness), above-mentioned being fixedly connected with by the screw thread realization that is threaded; Then, continuous-tube cable 8 is connected with cable head 71 upper ends of tester 7.
Fashionable under tester, first oil pumper 6 is quit work, then hydraulic packing cylinder 1 is connected with the test channel 91 of decentralized wellhead 9 by thread, tester 7 is put into hydraulic packing cylinder 1, handle 121 by hydraulic oil container 12 is injected into the hydraulic oil in hydraulic oil container 12 in hydraulic packing cylinder 1, closely seal the space between tester 7 and hydraulic packing cylinder 1, guarantee that by sealing ring 13 hydraulic oil does not overflow.Then slowly decentralized wellhead valve 92 is opened, after good seal, tester 7 is pressed in test channel, reserved appropriate length connects tester 7 and cable head 71 lower ends again; Packing rope sealing drum 2 is connected with hydraulic packing cylinder 1 by thread, after good seal, be lowered to continuous-tube cable 8, tester 7 is sent in oil well, start normal production of oil pumper 6 and test (when tester 7 descended after well head, hydraulic packing cylinder just stops pressurized operation).After being completed, restart again the pressurization of hydraulic packing cylinder, closely seal the space of tester and hydraulic packing cylinder, then blowout prevention valve 51 is slowly opened, in packing rope sealing drum 2 and rubber sealing cylinder 3, do not have after pressure, open thread and will treat that packing rope sealing drum 2 and rubber sealing cylinder 3 lay down, the upper half-section of tester is dismantled, again lower half-section instrument is proposed to decentralized wellhead test channel, to hydraulic packing cylinder 1, fasten decentralized wellhead valve 92, slowly hydraulic packing is removed, until hydraulic packing cylinder 1 interior without pressure after, half-section under tester is taken out, opening thread lays down hydraulic packing cylinder 1, construction finishes.
From the above mentioned, the blowout hookup of the utility model continuous-tube wireline test, the producing profile testing technology of carrying tester and be lowered to mode for continuous-tube cable, seals to guarantee construction safety, realizes and completes producing profile testing construction produce in the situation that horizontal well is normal; Can be to carrying out three grades of sealings such as rubber sealing, the sealing of packing rope, hydraulic packing between two-tube shaft mouth test and continuous-tube cable, guarantee fashionablely under tester also can there is good sealing, in the situation that well head pressure is not more than 10MPa, realize the construction demand of production limit, limit test.
The foregoing is only the schematic specific embodiment of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the modification under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.
Claims (4)
1. the blowout hookup of a continuous-tube wireline test, it is characterized in that: described blowout hookup comprises the hydraulic packing cylinder being fixedly connected in test channel, described hydraulic packing cylinder upper end is fixedly connected with packing rope sealing drum, and packing rope sealing drum top is fixedly connected with rubber sealing cylinder; In described packing rope sealing drum and rubber sealing cylinder, be provided with the annular seal space of perforation; In the annular seal space of described packing rope sealing drum, form packing rope seal section by the packing rope coiling; Multiple cushion rubbers are set in the annular seal space of described rubber sealing cylinder and form rubber sealing section; Described rubber sealing section top has fixedly been installed with a plug; On described packing rope seal section, rubber sealing section and plug, be equipped with the through hole through described continuous-tube cable; The sidewall of described hydraulic packing cylinder is connected in a hydraulic oil container by a hydraulic line.
2. the blowout hookup of continuous-tube wireline test as claimed in claim 1, is characterized in that: described hydraulic packing cylinder inner upper end and be positioned at packing rope sealing drum below and be fixed with a sealing ring; The cable head of tester is located in sealing circle.
3. the blowout hookup of continuous-tube wireline test as claimed in claim 1, is characterized in that: the barrel of described packing rope sealing drum be provided with one with the spout of its annular seal space conducting; This spout is provided with open flow valve.
4. the blowout hookup of continuous-tube wireline test as claimed in claim 1, is characterized in that: the big up and small down shape of annular seal space of described packing rope sealing drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623516.2U CN203594400U (en) | 2013-10-10 | 2013-10-10 | Blowout-prevention device for continuous pipe type cable test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623516.2U CN203594400U (en) | 2013-10-10 | 2013-10-10 | Blowout-prevention device for continuous pipe type cable test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594400U true CN203594400U (en) | 2014-05-14 |
Family
ID=50675295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623516.2U Expired - Fee Related CN203594400U (en) | 2013-10-10 | 2013-10-10 | Blowout-prevention device for continuous pipe type cable test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064945A (en) * | 2015-07-21 | 2015-11-18 | 大庆庆辉机械设备有限公司 | Testing collecting reinjection full-closed blowout preventer |
-
2013
- 2013-10-10 CN CN201320623516.2U patent/CN203594400U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064945A (en) * | 2015-07-21 | 2015-11-18 | 大庆庆辉机械设备有限公司 | Testing collecting reinjection full-closed blowout preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20211010 |