CN203081427U - Horizontal well logging metal umbrella fluid production profile tester protection device - Google Patents
Horizontal well logging metal umbrella fluid production profile tester protection device Download PDFInfo
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- CN203081427U CN203081427U CN 201220605482 CN201220605482U CN203081427U CN 203081427 U CN203081427 U CN 203081427U CN 201220605482 CN201220605482 CN 201220605482 CN 201220605482 U CN201220605482 U CN 201220605482U CN 203081427 U CN203081427 U CN 203081427U
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- umbrella
- wall
- umbrella muscle
- hoop
- mobile
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Abstract
A horizontal well logging metal umbrella fluid production profile tester protection device is applied in downhole testing of a high-inclination well of an oil field and a horizontal well. An umbrella protection sleeve is sleeved on an outer wall of a lower end of a center pipe. An upper end of the umbrella protection sleeve forms concentric transition cooperation with an axial surface of a fixing umbrella rib hoop. The fixing umbrella rib hoop is sleeved on the outer wall of the center pipe. The fixing umbrella rib hoop is arranged between an inner wall of the umbrella protection sleeve and the outer wall of the center pipe. A lower end surface of the fixing umbrella rib hoop is arranged on a step of the outer wall of the center pipe. A mobile umbrella rib hoop is sleeved on the outer wall of the center pipe. The upper end of each umbrella rib is arranged on the outer wall of the mobile umbrella rib hoop. A mobile retaining ring is sleeved on an external portion of the upper end of each umbrella rib. The lower end of the umbrella rib is riveted between the fixing umbrella rib hoop and an axial plane of a fixing retaining ring hole. Each metal umbrella sheet is riveted and embedded between the two umbrella ribs respectively. The device has the advantages that the metal umbrella sheet can be protected; adaptability and durability of a downhole tester are enhanced; a success rate and accuracy of the downhole testing are increased.
Description
Technical field
The utility model relates to the downhole testing technical field of oil field high angle hole, horizontal well, particularly a kind ofly is used for the rain cone protective device that oil field pumping well measures oil reservoir production profile data.
Background technology
At present; in the oil gas well mining test; use the umbrella sheet of rain cone producing profile testing instrument to make as the less scale copper of size; can only protect the umbrella cloth of rain cone umbrella footpath largest portion; and because the not fixed connection method of employing and rain cone exumbrella muscle suit; cause instrument might in the process of removing, tangle obstruction and make and protect the umbrella sheet and move and tear the rain cone umbrella cloth, cause test crash then, greatly reduce the success rate and the accuracy rate of test.
Chinese patent publication number: CN201857963U provides a kind of " low production liquid horizontal well well logging current collecting umbrella ".Mainly solving existing test current collecting umbrella, to require to start flow big, poorly sealed and cause the leakage of well liquid to cause the low problem of survey data precision.This current collecting umbrella comprises exumbrella muscle parts, spiral support component, infundibulate umbrella cloth, inside and outside two-layer cylindrical umbrella cloth, umbrella central tube and drive unit, wherein the exumbrella muscle in the exumbrella muscle parts passes between the ectonexine of cylindrical umbrella cloth, spiral support component integral assembling is in exumbrella muscle parts, the upper end that the upward interior umbrella shank of suit and last outer umbrella shank are fixed in the umbrella central tube, umbrella shank and following outer umbrella shank are fixed in the lower end of umbrella central tube down, and the lower end of umbrella central tube is connected with the guide pipe of drive unit again.This current collecting umbrella has solved the directly problem of leakage of umbrella muscle installing hole, has realized hermetically sealed afflux and lower flow startup, improves the flow measurement precision of logging instrument, can be widely used in low production fluid borehole logging tool.
Chinese patent publication number: CN2206350, a kind of " electronic rain cone formula current collector " is provided, the sealing drum and the umbrella tube that comprise disjunctor, the lead screw pair that has motor to be connected successively in the sealing drum with motor shaft, feed screw nut is affixed with two arm-ties, the lower end of push-and-pull pipe of passing sealing drum is affixed with two arm-ties upper end, the pull bar affixed with the push-and-pull pipe overlaps by active, servo-actuated cover and reserve motion cover is connected with umbrella body on being enclosed within the hole slot pipe, hole slot pipe upper end connects turbine flowmeter, the test success rate is up to more than 80%, the stable mechanical performance reliable operation, repdocutbility is good, the safety factor height, and umbrella body excursion is big.
The utility model content
The purpose of this utility model is: a kind of horizontal wellbore logging rain cone producing profile testing instrument protective device is provided; adopt the motor-driven leading screw to drive the axially movable structure of umbrella protective sleeve of metal; protection rain cone sheet; strengthen the compliance and the durability of downhole testing instrument, improve the success rate and the accuracy rate of downhole testing.
The technical solution adopted in the utility model is: horizontal wellbore logging rain cone producing profile testing instrument protective device; mainly by the umbrella protective sleeve, fixedly umbrella muscle hoop, fixedly retaining ring, umbrella muscle, rain cone sheet, central tube, mobile umbrella muscle hoop, mobile retaining ring are formed; it is characterized in that: central tube is a thin-wall circular tube; there is screw thread at the central tube two ends; there is annular boss at the central tube two ends, and two ends can be connected on the downhole testing instrument.
On the outer wall of the lower end of central tube, be with the umbrella protective sleeve; The umbrella protective sleeve is the thin-wall circular tube that the ladder centre bore is arranged; umbrella protective sleeve upper end and fixing umbrella muscle hoop axial plane concentric interference fits; fixedly the umbrella muscle hoop cylinder bodily form has centre bore; fixedly umbrella muscle hoop outer wall is the ladder cylinder; fixedly umbrella muscle hoop is enclosed within on the central tube outer wall; fixedly umbrella muscle hoop centre bore and central tube concentric interference fit, and fixedly umbrella muscle hoop is between umbrella protective sleeve inwall and central tube outer wall; Fixedly the lower surface of umbrella muscle hoop is on the step of central tube outer wall;
Mobile umbrella muscle hoop is a pipe, and mobile umbrella muscle hoop is enclosed within on the central tube outer wall, interference fit between mobile umbrella muscle hoop inwall and the central tube outer wall; The upper end of umbrella muscle is with mobile retaining ring in the outside of the upper end of umbrella muscle on the outer wall of mobile umbrella muscle hoop, mobile retaining ring centre bore and mobile umbrella muscle hoop outside axial plane interference fits, and the upper end of riveted joint umbrella muscle between mobile retaining ring centre bore axial plane; Umbrella muscle lower end riveted and fixed umbrella muscle hoop and fixedly between the axial plane of retaining ring hole, each sheet rain cone sheet riveting respectively is embedded between two umbrella muscle.Formation at last can freely strut, the rain cone of closure.
Described umbrella muscle be shaped as camber line shape, ductile metal bar.
Described rain cone sheet be shaped as the ductile metal thin slice.
The operating principle of summary horizontal wellbore logging rain cone producing profile testing instrument protective device helps to understand the utility model.Consult Fig. 1.Motor is connected on the control circuit, and machine operation drives the leading screw rotation, and leading screw axially moves horizontally rain cone sheet 5 along central tube, releases electronic protective sleeve 1, and mobile umbrella muscle hoop 7 axially moves horizontally along central tube, and rain cone sheet 5 struts, the tester image data; Data acquisition finishes, and machine operation drives the leading screw rotation, and mobile umbrella muscle hoop 7 moves, and rain cone sheet 5 draws in, and leading screw is regained rain cone sheet 5 and entered electronic protective sleeve 1, finishes a data acquisition; Electronic protective sleeve 1 can most of rain cone 5 under rain cone sheet 5 rounding states, prevents that tester umbrella cloth in the delivered downhole process from being torn, and plays the effect of protection rain cone 5.
The beneficial effects of the utility model: the utility model horizontal wellbore logging rain cone producing profile testing instrument protective device; adopt the motor-driven leading screw to drive the axially movable structure of umbrella protective sleeve of metal; protection rain cone sheet; strengthen the compliance and the durability of downhole testing instrument, improve the success rate and the accuracy rate of downhole testing.Prevent that tester umbrella cloth in the delivered downhole process from being torn, play the effect of protection rain cone sheet 5, rational in infrastructure, the dependable performance of the utility model, easy to use, vi have high safety during use can improve the measurement accuracy rate and the success rate of downhole testing instrument.
Description of drawings
Fig. 1 is the utility model horizontal wellbore logging rain cone producing profile testing instrument protective device structural profile schematic diagram.
Among the figure, 1-umbrella protective sleeve, 2-is umbrella muscle hoop fixedly, 3-retaining ring, 4-umbrella muscle, 5-rain cone sheet, 6-central tube, 7-mobile umbrella muscle hoop, 8-retaining ring.
The specific embodiment
Embodiment 1: with a horizontal wellbore logging rain cone producing profile testing instrument protective device is example, and the utility model is described in further detail.
Consult Fig. 1.Horizontal wellbore logging rain cone producing profile testing instrument protective device; mainly by umbrella protective sleeve 1, fixedly umbrella muscle hoop 2, fixedly retaining ring 3, umbrella muscle 4, rain cone sheet 5, central tube 6, mobile umbrella muscle hoop 7, mobile retaining ring 8 are formed; it is characterized in that: central tube 6 is thin-wall circular tube; there is screw thread at central tube 6 two ends, and there is annular boss at central tube 6 two ends.
On the outer wall of the lower end of central tube 6, be with umbrella protective sleeve 1; Umbrella protective sleeve 1 is for there being the thin-wall circular tube of ladder centre bore; umbrella protective sleeve 1 upper end and fixing umbrella muscle hoop 2 axial plane concentric interference fits; fixedly the umbrella muscle hoop 2 cylinder bodily forms have centre bore; fixedly umbrella muscle hoop 2 outer walls are the ladder cylinder; fixedly umbrella muscle hoop 2 is enclosed within on central tube 6 outer walls; fixedly umbrella muscle hoop 2 centre bores and central tube 6 concentric interference fit, and fixedly umbrella muscle hoop 2 is between umbrella protective sleeve 1 inwall and central tube 6 outer walls; Fixedly the lower surface of umbrella muscle hoop 2 is on the step of central tube 6 outer walls;
Mobile umbrella muscle hoop 7 is a pipe, and mobile umbrella muscle hoop 7 is enclosed within on central tube 6 outer walls, interference fit between mobile umbrella muscle hoop 7 inwalls and central tube 6 outer walls; The upper end of umbrella muscle 4 is with mobile retaining ring 8 in the outside of the upper end of umbrella muscle 4 on the outer wall of mobile umbrella muscle hoop 7, mobile retaining ring 8 centre bores and mobile umbrella muscle hoop 7 outside axial plane interference fits, and the upper end of riveted joint umbrella muscle 4 between mobile retaining ring 8 centre bore axial planes; Umbrella muscle 4 lower end riveted and fixed umbrella muscle hoops 2 and fixedly between the retaining ring 3 hole axial planes, each sheet rain cone sheet 5 riveting respectively is embedded between two umbrella muscle 4.
Described umbrella muscle 4 be shaped as wide 8mm, long 300mm, thin 0.5mm, elongated, camber line shape, ductile metal copper bar.
The shape of described rain cone sheet 5 is long 290mm, thin 0.5mm, the date core shaped ductile metal copper sheet of the wide 35mm in two ends, middle Breadth Maximum 65mm.
Horizontal wellbore logging rain cone producing profile testing instrument protective device mainly by umbrella protective sleeve 1, fixedly umbrella muscle hoop 2, fixedly retaining ring 3, umbrella muscle 4, rain cone sheet 5, central tube 6, mobile umbrella muscle hoop 7, mobile retaining ring 8 are formed; its structure, assembled relation are as follows: central tube 6 external diameter 20mm are two ends have centre bore internal diameter 16mm in the screw thread thin-wall circular tube; front end has boss external diameter 26mm, and two ends male thread external diameter M20 * 1.5-6h is to be threaded on the downhole testing instrument.umbrella protective sleeve 1 external diameter 40mm is the thin-wall circular tube that shoulder hole is arranged, umbrella protective sleeve 1 centre bore internal diameter 32mm and fixing umbrella muscle hoop 2 external diameter 32mm axial plane concentric interference fits, fixedly umbrella muscle hoop 2 is multidiameter large end external diameter 32mm and small end external diameter 26mm that centre bore internal diameter 16mm is arranged, fixedly umbrella muscle hoop 2 centre bores and central tube 6 concentric interference fit, be positioned at central tube 6 front ends, fixedly umbrella muscle hoop 2 multidiameter front end faces overlap with central tube 6 boss rear end faces, fixedly retaining ring 3 diameter 32mm front end faces are with fixedly the 2 boss rear end faces coincidences of umbrella muscle hoop and concentric coordinate, fixedly retaining ring 3 endoporus internal diameter 26mm and with fixing umbrella muscle hoop 2 external diameter 26mm concentric interference fits, mobile umbrella muscle hoop 7 external diameter 16mm and central tube 6 internal diameter 16mm concentric interference fit, be positioned at central tube 6 other ends, mobile retaining ring 8 diameter 32mm also coordinate with central tube 6 concentrics, mobile retaining ring 8 centre bore internal diameter 26mm and mobile umbrella muscle hoop 7 outside axial plane external diameter 26mm interference fits, and between the axial plane of hole, riveting enters an end of umbrella muscle 4, umbrella muscle 4 is wide 8mm, long 300mm, thin 0.5mm's is elongated, arc line shaped, the ductile metal copper bar, 4 other end rivetings of umbrella muscle enter fixedly umbrella muscle hoop 2 and fixedly between retaining ring 3 hole axial planes, every a slice rain cone sheet 5 riveting respectively is embedded between two umbrella muscle 4, rain cone sheet 5 is long 290mm, thin 0.5mm, the wide 35mm in two ends, the date core shaped ductile metal copper sheet of middle Breadth Maximum 65mm, form finally and can freely strut, closed rain cone.
Claims (3)
1. horizontal wellbore logging rain cone producing profile testing instrument protective device, mainly by umbrella protective sleeve (1), fixedly umbrella muscle hoop (2), fixedly retaining ring (3), umbrella muscle (4), rain cone sheet (5), central tube (6), mobile umbrella muscle hoop (7), mobile retaining ring (8) are formed, it is characterized in that: central tube (6) is a thin-wall circular tube, there is screw thread at central tube (6) two ends, and there is annular boss at central tube (6) two ends;
On the lower end outer wall of central tube (6), be with umbrella protective sleeve (1); Umbrella protective sleeve (1) is for there being the thin-wall circular tube of ladder centre bore; umbrella protective sleeve (1) upper end and fixing umbrella muscle hoop (2) axial plane concentric interference fits; fixedly umbrella muscle hoop (2) the cylinder bodily form has centre bore; fixedly umbrella muscle hoop (2) outer wall is the ladder cylinder; fixedly umbrella muscle hoop (2) is enclosed within on central tube (6) outer wall; fixedly umbrella muscle hoop (2) centre bore and central tube (6) concentric interference fit, and fixedly umbrella muscle hoop (2) is between umbrella protective sleeve (1) inwall and central tube (6) outer wall; Fixedly the lower surface of umbrella muscle hoop (2) is on the step of central tube (6) outer wall;
Mobile umbrella muscle hoop (7) is a pipe, and mobile umbrella muscle hoop (7) is enclosed within on central tube (6) outer wall, interference fit between mobile umbrella muscle hoop (7) inwall and central tube (6) outer wall; The upper end of umbrella muscle (4) is on the outer wall of mobile umbrella muscle hoop (7), outside in the upper end of umbrella muscle (4) is with mobile retaining ring (8), mobile retaining ring (8) centre bore and mobile umbrella muscle hoop (7) outside axial plane interference fits, and the upper end of riveted joint umbrella muscle (4) between mobile retaining ring (8) centre bore axial plane; Umbrella muscle (4) lower end riveted and fixed umbrella muscle hoop (2) and fixedly between the axial plane of retaining ring (3) hole, each sheet rain cone sheet (5) riveting respectively is embedded between two umbrella muscle (4).
2. a kind of horizontal wellbore logging rain cone producing profile testing instrument protective device according to claim 1 is characterized in that: described umbrella muscle (4) is camber line shape, ductile metal bar.
3. a kind of horizontal wellbore logging rain cone producing profile testing instrument protective device according to claim 1, it is characterized in that: described rain cone sheet (5) is the ductile metal thin slice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605482 CN203081427U (en) | 2012-11-16 | 2012-11-16 | Horizontal well logging metal umbrella fluid production profile tester protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605482 CN203081427U (en) | 2012-11-16 | 2012-11-16 | Horizontal well logging metal umbrella fluid production profile tester protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081427U true CN203081427U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220605482 Expired - Fee Related CN203081427U (en) | 2012-11-16 | 2012-11-16 | Horizontal well logging metal umbrella fluid production profile tester protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485956A (en) * | 2019-09-06 | 2019-11-22 | 西安建筑科技大学 | Cross the electronics detaching/attaching device in oil jacket space |
-
2012
- 2012-11-16 CN CN 201220605482 patent/CN203081427U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485956A (en) * | 2019-09-06 | 2019-11-22 | 西安建筑科技大学 | Cross the electronics detaching/attaching device in oil jacket space |
| CN110485956B (en) * | 2019-09-06 | 2023-12-19 | 西安建筑科技大学 | Electronic unhooking device for oil jacket space |
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| 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 |
Granted publication date: 20130724 Termination date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |