CN203640728U - Water hydraulic modular wireline formation tester - Google Patents
Water hydraulic modular wireline formation tester Download PDFInfo
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- CN203640728U CN203640728U CN201320626294.XU CN201320626294U CN203640728U CN 203640728 U CN203640728 U CN 203640728U CN 201320626294 U CN201320626294 U CN 201320626294U CN 203640728 U CN203640728 U CN 203640728U
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Abstract
A water hydraulic modular wireline formation tester includes a ground instrument and a downhole instrument, wherein the ground instrument is used for sending a command to be executed and receiving a signal from the downhole; the downhole instrument is used for executing the command from the ground, collecting a downhole signal and sending the downhole signal to the ground instrument; mud filtrate flows in a hydraulic pipeline of the downhole instrument; mud pumps and control valves are mounted on the pipeline; the mud filtrate is pressurized by the mud pumps to drive a cylinder piston to move; the control valves are connected with stepping motors and reverse the driving through the stepping motors. The utility model provides a high-power, pollution-resistant and high-pressure-resistant valve which can control the reversing of such a special fluid as the mud filtrate, so as to achieve formation testing through the water hydraulic transmission method; the diameter of the modular wireline formation tester is reduced for the first time (down to 80 millimeters), so that the water hydraulic modular wireline formation tester can be used for modular formation testing of both large and small wells, which fills up the gap that formation testing of small wells is unavailable.
Description
Technical field
The utility model relates to and a kind ofly utilizes that water hydraulic method is that realize, that can on oil field, use, cable type underground pressure measurement and sample apparatus.
Background technology
In field produces, need to understand formation parameter, pressure measurement and sampling are the important means that obtains formation parameter, in industry, the equipment of the pressure measurement of this energy and sampling are called to formation tester.In recent years occur, state-of-the-art cable formation tester all adopts modularized design, and instrument is divided into more piece, according to construction requirement, can select the docking of difference in functionality joint to utilize cable to go into the well.Existing cable module formation tester all adopts oily hydraulic transmission mode, and as RCI of the MDT of Schlumberger, Halliburton's RDI, Atlas etc., my company's early production is also like this.Utilize hydraulic oil for medium transferring energy, instrument internal conduit under fluid pressure and downhole fluid pipeline interweave, complex structure, joint are huge, cause all very thick (more than 110mm) of existing modularization stratum tester diameter, can only in the above well of big hole (6 1/2 "), construct, make slim-hole (4 1/2 ") formation testing construction become blank.But along with petroleum technology development, horizontal well, high angle hole, the side well of windowing increases fast, these wells mostly are slim-hole (4 1/2 ").The utility model uses modern water hydraulic technology first, utilizing a large amount of mud (aqueous solution) existing in instrument working environment is medium transferring energy, simplify instrument internal pipeline, modularization stratum tester run business into particular one (80mm), realize and can be used for the modularization stratum test that big hole can be used for again slim-hole (4 1/2 "), filled up the blank of slim-hole formation testing.Meanwhile, water hydraulic also brings the advantages such as the pressure loss is little, transmission efficiency is high, stability of flow is good, dynamic performance is high, free from environmental pollution.
Utility model content
Technical problem to be solved in the utility model is for the deficiency in background technology, and a kind of minor diameter modular cable formation tester that utilizes the design of water hydraulic method is provided.
In order to address the above problem by the following technical solutions: a kind of water hydraulic modular cable formation tester comprises ground instrument and downhole instrument, ground instrument is for sending the order that will carry out and accepting the signal that down-hole is sent here, and downhole instrument is uploaded to ground instrument for carrying out from order and the collection underground signal on ground.What in the hydraulic line of downhole instrument, flow is F, and slush pump and control valve are installed on pipeline, and slush pump is to F pressurised driving cylinder piston movement, and control valve is connected with stepper motor and drives commutation by stepper motor.
Described downhole instrument is made up of multiple function pipe nipples, and each function short joint is the quick break connector of standardized designs.
The docking end face of described quick break connector is provided with two ducts, electric connector and positioning keys, and the outer cover of break connector is provided with Rapid-turning nut fast, and Rapid-turning nut closely links together two quick break connector; What in two ducts, flow is F.
Downhole instrument is taken out by electronics joint, power joint, pump that joint, fluid sensor joint, pressure sensor joint, backup hydraulic pressure joint, backup joint, sample storage save, balance saves and connects to form successively; Wherein, in power joint, adopt two electromagnetic valves, in all the other each function pipe nipples, valve used is all mud valve.
Described electronics joint is the transmission of motor, electromagnetic valve and all the other each pipe nipple circuit buses for controlling power joint; Power joint is that the slush pump that utilizes motor to take out joint for pump provides power; It is to extract the F after filtering by slush pump that pump is taken out joint, and F is transmitted along formation fluid pipeline; Fluid sensor is saved in measuring formation fluid property; Pressure sensor joint is measured strata pressure; Backup joint is strutted and is realized packing stratum by backup; The effect of sample storage joint is for storage place formation fluid sample, takes ground to for analysis of experiments; The effect of balance joint is in order to keep pressure balance.
Mud valve is mainly connected to form successively by stepper motor, stepper motor drive link, spool, valve body, stepper motor fixed mount, valve core housing, M3 screw, M6 screw, spool block; Stepper motor, stepper motor fixed mount, for valve body, M3 screw, M6 screw are fixed together, and stepper motor drives the rotation of stepper motor drive link, makes spool move commutation by screw thread transmission; On spool, fill sealing slurry, high voltage bearing seal.
The utility model has changed the hydraulic line that pure oily hydraulic driving mode causes and formation fluid pipeline is loaded down with trivial details interweaves, instrument internal only has formation fluid pipeline, pipeline is simplified, and instrument banjo fixing butt jointing number of tubes greatly reduces, and instrument diameter is run business into particular one also can realize modularization stratum test function.The utility model provides that power is large, anti-pollution, high pressure resistant, the valve that can control the commutation of this special fluid of F, has realized water hydraulic transmission method and carries out formation testing.First modularization stratum tester run business into particular one (80mm) realized and can be used for the modularization stratum test that big hole can be used for again slim-hole, filled up the blank that slim-hole cannot formation testing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is fundamental diagram of the present utility model.
Fig. 3 is a-quadrant enlarged drawing in Fig. 2.
Fig. 4 is B regional enlarged drawing in Fig. 2.
Fig. 5 is C regional enlarged drawing in Fig. 2.
Fig. 6 is the structural representation of the quick break connector of the utility model.
Fig. 7 is that the C-C of Fig. 3 is to sectional view.
Fig. 8 is that the E-E of Fig. 3 is to sectional view.
Fig. 9 is the structural representation of the utility model mud valve.
Detailed description of the invention
Embodiment 1: a kind of water hydraulic modular cable formation tester, utilize water hydraulic method to carry out formation testing, comprise ground instrument and downhole instrument, ground instrument is for sending the order that will carry out and accepting the signal that down-hole is sent here, and downhole instrument is uploaded to ground instrument for carrying out from order and the collection underground signal on ground.What in the hydraulic line of downhole instrument, flow is F, and slush pump and control valve are installed on pipeline, and slush pump is to F pressurised driving cylinder piston movement, and control valve is connected with stepper motor and drives commutation by stepper motor.
Embodiment 2: a kind of water hydraulic modular cable formation tester, as shown in Figure 1, downhole instrument is taken out joint 4, fluid sensor joint 5, pressure sensor joint 6, backup hydraulic pressure joint 7, backup joint 8, sample storage joint 9, balance joint 10 by head harness 1, electronics joint 2, power joint 3, pump and is connected to form successively; Wherein, in power joint, adopt electromagnetic valve, in all the other each function pipe nipples, valve used is all mud valve.
As shown in Fig. 2,3,4,5, operating principle is as follows: electronics joint 2 comprises circuit storehouse I 2-1, and electronics joint 2 is motor 3-1, the electromagnetic valve 3-2 for controlling power joint 3.Circuit storehouse I 2-1 connects respectively at circuit storehouse II 4-5, circuit storehouse III 5-3, circuit storehouse IV 6-1, circuit storehouse V 7-1 and balance joint.
Pump is taken out joint 4 and is comprised that circuit storehouse II 4-5, pump take out cylinder 4-1, pump is taken out cylinder and is provided with displacement transducer 4-2, speed-regulating switch valve 4-4, the liquid in-out mouth that pump is taken out cylinder is connected with automatically controlled two-position four-way valve 4-3, when sampling, control pump is taken out cylinder 4-1 suction, take out cylinder 4-1 by pump and extract the F after filter pit shaft the inside, after pressurization, F transmits along formation fluid pipeline.Circuit storehouse II 4-5 connects respectively at speed-regulating switch valve 4-4, automatically controlled two-position four-way valve 4-3, displacement transducer 4-2.
Pressure sensor joint comprises circuit storehouse IV 6-1, strain quartz pressure sensor 6-2, pressure measurement draining switch 6-3 and backup pressurize switch 6-4.The automatically controlled two-position four-way valve 4-3 that backup pressurize switch 6-4, strain quartz pressure sensor 6-2 take out in joint by pipeline and pump is respectively communicated with, and on this pipeline of backup pressurize switch 6-4, is also provided with pressure measurement draining switch 6-3.Circuit storehouse IV 6-1 connects respectively at pressure measurement draining switch 6-3, backup pressurize switch 6-4.Pressure sensor is saved in measuring strata pressure.
Backup hydraulic pressure joint comprises circuit storehouse V 7-1, mud ground liquid balance cock 7-2, sample storage switch 7-3, backup two-position four-way switch 7-4.Mud ground liquid balance cock 7-2, sample storage switch 7-3 are separately positioned on the feed liquor pipeline of strain quartz pressure sensor 6-2, and backup two-position four-way switch 7-4 is communicated with the automatically controlled two-position four-way valve 4-3 that pump is taken out in joint.Circuit storehouse V 7-1 connects respectively at mud ground liquid balance cock 7-2, sample storage switch 7-3, backup two-position four-way switch 7-4.
, control backup joint 8 when on packing the stratum, backup joint 8 struts packing stratum by backup 8-1, backup 8-1 struts or draws in is that piston by backup cylinder 8-2 moves realization, backup cylinder 8-2 is communicated with backup two-position four-way switch 7-4, backup joint is provided with inlet 8-3, and inlet is communicated with strain quartz pressure sensor 6-2 by feed liquor pipeline.F driven plunger after being pressurizeed by slush pump is moved, and the flow direction of F, by mud valve control, is controlled backup and strutted or draw in.
The effect of sample storage joint 9 is in order to store a certain amount of formation fluid sample, takes ground to for analysis of experiments.
The effect of balance joint 10 is hydraulic cavities pressure in order to make whole instrument and the pressure balance of mud column.
Other structures are with embodiment 1.
Embodiment 3: a kind of water hydraulic modular cable formation tester, each function short joint is the quick break connector of standardized designs.As shown in Fig. 6,7,8, the docking end face of break connector is provided with two duct 12-5,12-6 fast, electric connector and location 12-9, and the outer cover of break connector is provided with Rapid-turning nut 12-10 fast.Duct 12-5,12-6 are hydraulic fill pipeline.
When break connector 12-1,12-2 dock fast, by positioning key 12-9, duct 12-5, the 12-6 of two quick break connector 12 are aimed at, by rotation Rapid-turning nut, 12-10 closely links together two quick break connector, electric connector hole 12-3 and electric connector pin 12-4 also can accurately be plugged in together simultaneously, spring 12-7 is compressed, the electric wire conducting of each module pipe nipple, the fluid of hydraulic cavities are communicated with, and hydraulic fill pipeline also can complete docking up and down accurately; In the time that fast quick coupling disconnects, rotation Rapid-turning nut, makes quick break connector separation, electric connector hole separate with electric connector pin, and spring extends seal is compressed, and seals hydraulic fluid chamber, prevents each module pipe nipple leakage of oil.
Other structures are with embodiment 2.
Embodiment 4: a kind of water hydraulic modular cable formation tester, as shown in Figure 9, mud valve is mainly connected to form successively by stepper motor 13-1, stepper motor drive link 13-2, spool 13-3, valve body 13-4, stepper motor fixed mount 13-5, valve core housing 13-6, M3 screw 13-7, M6 screw 13-8, spool block 13-9.
Stepper motor, stepper motor fixed mount, for valve body, M3 screw, M6 screw are fixed together, and stepper motor drives the rotation of stepper motor drive link, makes spool move commutation by screw thread transmission; Sealing slurry, high voltage bearing seal are housed on spool.
Other structures are with embodiment 2.
Claims (6)
1. a water hydraulic modular cable formation tester, it is characterized in that: comprise ground instrument and downhole instrument, ground instrument is for sending the order that will carry out and accepting the signal that down-hole is sent here, and downhole instrument is uploaded to ground instrument for carrying out from order and the collection underground signal on ground; What in the hydraulic line of downhole instrument, flow is F, and slush pump and control valve are installed on pipeline, and slush pump is to F pressurised driving cylinder piston movement, and control valve is connected with stepper motor and drives commutation by stepper motor.
2. water hydraulic modular cable formation tester according to claim 1, is characterized in that: described downhole instrument is made up of multiple function pipe nipples, each function short joint is the quick break connector of standardized designs.
3. water hydraulic modular cable formation tester according to claim 2, it is characterized in that: the docking end face of described quick break connector is provided with two ducts, electric connector and positioning keys, the outer cover of break connector is provided with Rapid-turning nut fast, and Rapid-turning nut closely links together two quick break connector; What in two ducts, flow is F.
4. water hydraulic modular cable formation tester according to claim 1 and 2, is characterized in that: downhole instrument is taken out by electronics joint, power joint, pump that joint, fluid sensor joint, pressure sensor joint, backup hydraulic pressure joint, backup joint, sample storage save, balance saves and connects to form successively; Wherein, in power joint, adopt two electromagnetic valves, in all the other each function pipe nipples, valve used is all mud valve.
5. water hydraulic modular cable formation tester according to claim 4, is characterized in that: described electronics joint is the transmission of motor, electromagnetic valve and all the other each pipe nipple circuit buses for controlling power joint; Power joint is that the slush pump that utilizes motor to take out joint for pump provides power; It is to extract the F after filtering by slush pump that pump is taken out joint, and F is transmitted along formation fluid pipeline; Fluid sensor is saved in measuring formation fluid property; Pressure sensor joint is measured strata pressure; Backup joint is strutted and is realized packing stratum by backup; The effect of sample storage joint is for storage place formation fluid sample, takes ground to for analysis of experiments; The effect of balance joint is in order to keep pressure balance.
6. water hydraulic modular cable formation tester according to claim 4, is characterized in that: mud valve is mainly connected to form successively by stepper motor, stepper motor drive link, spool, valve body, stepper motor fixed mount, valve core housing, M3 screw, M6 screw, spool block; Stepper motor, stepper motor fixed mount, for valve body, M3 screw, M6 screw are fixed together, and stepper motor drives the rotation of stepper motor drive link, makes spool move commutation by screw thread transmission; On spool, fill sealing slurry, high voltage bearing seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626294.XU CN203640728U (en) | 2013-10-11 | 2013-10-11 | Water hydraulic modular wireline formation tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320626294.XU CN203640728U (en) | 2013-10-11 | 2013-10-11 | Water hydraulic modular wireline formation tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640728U true CN203640728U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320626294.XU Expired - Lifetime CN203640728U (en) | 2013-10-11 | 2013-10-11 | Water hydraulic modular wireline formation tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790578A (en) * | 2013-10-11 | 2014-05-14 | 郑州宜源翔石油科技有限公司 | Water hydraulic modular wireline formation tester |
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2013
- 2013-10-11 CN CN201320626294.XU patent/CN203640728U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790578A (en) * | 2013-10-11 | 2014-05-14 | 郑州宜源翔石油科技有限公司 | Water hydraulic modular wireline formation tester |
| CN103790578B (en) * | 2013-10-11 | 2017-02-08 | 郑州宜源翔石油科技有限公司 | Water hydraulic modular wireline formation tester |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |