CN202117664U

CN202117664U - Device for measuring shaft bottom parameters

Info

Publication number: CN202117664U
Application number: CN201120224861XU
Authority: CN
Inventors: 张耀先; 谢涛; 张希智; 张斌
Original assignee: CNPC Xibu Drilling Engineering Co Ltd
Current assignee: CNPC Xibu Drilling Engineering Co Ltd
Priority date: 2011-06-29
Filing date: 2011-06-29
Publication date: 2012-01-18
Anticipated expiration: 2021-06-29

Abstract

The utility model relates to the technical field of devices for measuring shaft bottom drilling parameters, in particular to a device for measuring the shaft bottom parameters, which comprises a short measuring section without magnet. The short measuring section without the magnet comprises a tube body, a battery assembly and a tray. A frustum-shaped connector with a narrow upper end and a wide lower end is fixed on the upper end of the tube body, the outer diameter of the bottom of the connector is smaller than that of the tube body, a lower boss is arranged at the lower portion of the tube body 1, an upper boss is fixedly installed at the upper end of the tube body, and a sealing tube is fixedly installed between the upper boss and the lower boss. The device for measuring shaft bottom parameters is reasonable and compact in structure and convenient to use and can measure the parameters such as torque, drill rotating speed, drill pressure and shaft bottom pressure when a pump is started and the parameters such as well deviation, direction, shaft bottom pressure, temperature, gamma, resistivity and the like when the pump is stopped. Measured data is reflected to the ground through a data acquisition carrier, thereby enabling staff to fully understand underground situations, preventing and controlling underground accidents and simultaneously facilitating handling of the underground accidents.

Description

The downhole parameters measurement mechanism

Technical field

the utility model relates to shaft bottom drilling parameter measurement mechanism technical field, is a kind of downhole parameters measurement mechanism.

Background technology

drilling well to as if the stratum, the purpose of drilling well is the lithology of finding oil-gas Layer, protection oil-gas Layer and understanding the stratum; Yet the process of drilling well is not plain sailing; Usually can run into complicacy and accident, can run into wellbore quality accident and oil layer pollution, bring very big trouble to drilling well work thus; Also can cause great economic loss to a certain extent, the speed-raising of serious restriction drilling well, put forward effect.Its underlying cause is that the shaft bottom situation is unclear, can't know and understand the actual drilling parameter in shaft bottom; Can not judge its reason intuitively when the bit freezing that is generally run in the drilling process, complicacy and accident; Can only be through the experience and the various phenomenon of accumulation; Import and export the variation etc. of flow, rate of penetration judges according to pump pressure, suspending weight, drilling fluid; This brings inconvenience with regard to the processing of giving complex accident, also can cause the result of erroneous judgement.

Summary of the invention

the utility model provides a kind of downhole parameters measurement mechanism, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the problem that causes down-hole accident to be dealt with improperly because of the actual well drilled parameter situation that can't understand the shaft bottom.

The technical scheme of the utility model realizes through following measure: a kind of downhole parameters measurement mechanism comprises no magnetic measurement pipe nipple and peek carrier; No magnetic measurement pipe nipple comprises cylindrical shell, battery pack and pallet; Be fixed with the connector that is up-narrow and down-wide taper type in the upper end of cylindrical shell; Connector bottom external diameter is less than the cylindrical shell external diameter; Lower convex platform is arranged at the bottom at cylindrical shell 1, is installed with convex platform in the upper end of cylindrical shell, between convex platform and lower convex platform, is installed with sealing drum; Form installation cavity between sealing drum, cylindrical shell, convex platform and the lower convex platform; In installation cavity, be installed with battery pack, total pressure sensor, gamma sensor, speed probe, temperature sensor of direction of deflection and moment of torsion and bit weight sensor respectively, be fixed with pallet, passage is arranged at the middle part of pallet at the top of connector; On the pallet in the passage outside, hydrophthalmia is arranged, storage and receiving system are installed on pallet; Total pressure sensor and battery pack electricity are electrically connected through lead, and gamma sensor, speed probe, temperature sensor of direction of deflection and moment of torsion and bit weight sensor are electrically connected with battery pack, total pressure sensor and pallet respectively through lead; The peek carrier comprises peek device housing, buoyant cabin and communication connector; At least two buoyant cabins are fixed together from top to bottom, and the upper end of peek device housing is fixed together with the lower end of below buoyant cabin, and lower end and the communication connector of peek device housing are fixed together, and in the device housing of peeking, signal processing circuit and battery pack are installed; Signal processing circuit and communication connector are electrically connected through lead, and transfer of data and receiving system are installed on communication connector, and communication connector is installed in the passage of pallet, in the upper end of peek device housing the communication jack are arranged.

Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:

On the cylindrical shell of above-mentioned lower convex platform top step can be arranged; Bottom outside at convex platform is fixed with end cap; The external diameter of end cap is corresponding with the external diameter of lower convex platform; Sealing drum comprises elastic packing tube and rigid seal tube; Elastic packing tube and rigid seal tube are installed between lower convex platform and the end cap from top to bottom, and the upper end of convex platform through screw thread and cylindrical shell is fixedly installed togather and holds out against elastic packing tube and rigid seal tube through end cap, and battery pack and sensor mount pad are installed in installation cavity from bottom to top; Axially spaced-apart is distributed with the sensor mounting groove in sensor mount pad upper edge, in the sensor mounting groove, is separately installed with gamma sensor, speed probe and temperature sensor of direction of deflection; Upper end at installation cavity is equipped with pressure ring, between sensor mount pad and pressure ring, is installed with moment of torsion and bit weight sensor.

Between outer face of above-mentioned step and the elastic packing tube sealing ring can be installed; Be separately installed with sealing ring between sensor mount pad and elastic packing tube and the rigid seal tube, be separately installed with sealing ring between pressure ring and rigid seal tube and the cylindrical shell.

On above-mentioned the top buoyant cabin the guiding lance can be arranged, the guiding lance is up-narrow and down-wide bullet shaped, and the upper end of the top buoyant cabin is fixedly installed togather through the lower end of screw thread with the guiding lance.

above-mentioned battery pack can adopt rechargeable battery set.

The screw thread locating hole can be arranged at the top of above-mentioned convex platform

The lower inside of above-mentioned cylindrical shell can have internal thread, in the outside of connector external screw thread is arranged.

In above-mentioned installation cavity clock can be installed.

above-mentioned buoyant cabin can be fixed together through screw thread from top to bottom, and the upper end of peek device housing is fixed together through screw thread with the lower end of below buoyant cabin.

the utility model reasonable and compact in structure, easy to use; Through various sensors are installed, parameter such as the hole deviation the when moment of torsion in the time of can be to turn on pump, drill speed, the pressure of the drill, bottom pressure and termination of pumping, orientation, bottom pressure, temperature, gamma, resistivity is measured; The data of measuring are reflected to ground through the peek carrier, thereby make the staff can recognize the situation of down-hole fully, and the generation of prevention and control down-hole accident also is convenient to handle simultaneously down-hole accident.

Description of drawings

accompanying drawing 1 is looked the sectional structure sketch map for the master of no magnetic measurement pipe nipple in the utility model most preferred embodiment.

accompanying drawing 2 be in the accompanying drawing 1 A-A to the sectional structure sketch map.

accompanying drawing 3 is looked the broken section structural representation for the master of peek device housing and communication connector in the utility model most preferred embodiment.

accompanying drawing 4 is the main TV structure sketch map of buoyant cabin in the utility model most preferred embodiment.

accompanying drawing 5 is the main TV structure sketch map of guiding lance in the utility model most preferred embodiment.

Coding in accompanying drawing is respectively: 1 is cylindrical shell, and 2 is battery pack, and 3 is pallet, and 4 is connector, and 5 is lower convex platform; 6 is convex platform, and 7 is installation cavity, and 8 is gamma sensor, and 9 is speed probe, and 10 is the temperature sensor of direction of deflection; 11 is moment of torsion and bit weight sensor, and 12 is passage, and 13 is hydrophthalmia, and 14 is lead, and 15 are peek device housing; 16 is buoyant cabin, and 17 is communication connector, and 18 is signal processing circuit, and 19 are the communication jack, and 20 are the guiding lance; 21 is step, and 22 is end cap, and 23 is the elastic packing tube, and 24 is the rigid seal tube, and 25 is the sensor mounting groove; 26 is the sensor mount pad, and 27 is pressure ring, and 28 is sealing ring, and 29 is the screw thread locating hole.

The specific embodiment

the utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.

are in the utility model; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description, as: the position relation of upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.

Below in conjunction with embodiment and accompanying drawing the utility model is further described:

shown in accompanying drawing 1 to 4, this downhole parameters measurement mechanism comprises no magnetic measurement pipe nipple and peek carrier; No magnetic measurement pipe nipple comprises cylindrical shell 1, battery pack 2 and pallet 3; Be fixed with the connector 4 that is up-narrow and down-wide taper type in the upper end of cylindrical shell 1; Connector 4 bottom external diameters are less than cylindrical shell 1 external diameter; In the bottom of cylindrical shell 1 lower convex platform 5 is arranged, be installed with convex platform 6, between convex platform 6 and lower convex platform 5, be installed with sealing drum in the upper end of cylindrical shell 1; Form installation cavity 7 between sealing drum, cylindrical shell 1, convex platform 3 and the lower convex platform 5; In installation cavity 7, be installed with battery pack 2, total pressure sensor, gamma sensor 8, speed probe 9, temperature sensor of direction of deflection 10 and moment of torsion and bit weight sensor 11 respectively, be fixed with pallet 3, passage 12 is arranged at the middle part of pallet 3 at the top of connector 4; On the pallet 3 in passage 12 outsides, hydrophthalmia 13 is arranged, storage and receiving system are installed on pallet 3; Total pressure sensor and battery pack 2 are electrically connected through lead, and gamma sensor 8, speed probe 9, temperature sensor of direction of deflection 10 and moment of torsion and bit weight sensor 11 are electrically connected through lead 14 and battery pack 2, total pressure sensor and pallet 3 respectively; The peek carrier comprises peek device housing 15, buoyant cabin 16 and communication connector 17; At least two buoyant cabins 16 are fixed together from top to bottom; The upper end of peek device housing 15 is fixed together with the lower end of below buoyant cabin 16; The lower end and the communication connector 17 of peek device housing 15 are fixed together, and in peek device housing 15, signal processing circuit 18 and battery pack 2 are installed; Signal processing circuit 18 and communication connector 17 are electrically connected through lead, and transfer of data and receiving system are installed on communication connector 17, and communication connector 17 is installed in the passage 12 of pallet 3, in the upper end of peek device housing 15 communication jack 19 is arranged.Wherein, total pressure sensor can be installed in the diverse location of installation cavity 7 as required.

Can according to actual needs above-mentioned downhole parameters measurement mechanism be done further to optimize or/and improve:

shown in accompanying drawing 5, there is guiding lance 20 top of the top buoyant cabin 16, and guiding lance 20 is up-narrow and down-wide bullet shaped, and the upper end of the top buoyant cabin 16 is fixedly installed togather through the lower end of screw thread with guiding lance 20.

are shown in accompanying drawing 1; On the cylindrical shell 1 of lower convex platform 5 tops step 21 is arranged; Bottom outside at convex platform 6 is fixed with end cap 22; The external diameter of end cap 22 is corresponding with the external diameter of lower convex platform 5, and sealing drum comprises elastic packing tube 23 and rigid seal tube 24, and elastic packing tube 23 and rigid seal tube 24 are installed between lower convex platform 5 and the end cap 22 from top to bottom; The upper end of convex platform 6 through screw thread and cylindrical shell 1 is fixedly installed togather and holds out against elastic packing tube 23 and rigid seal tube 24 through end cap 22; Battery pack 2 and sensor mount pad 26 are installed in installation cavity 7 from bottom to top, are distributed with sensor mounting groove 25, in sensor mounting groove 25, be separately installed with gamma sensor 8, speed probe 9 and temperature sensor of direction of deflection 10 at sensor mount pad 26 upper edge axially spaced-aparts; In the upper end of installation cavity 7 pressure ring 27 is installed, between sensor mount pad 26 and pressure ring 27, is installed with moment of torsion and bit weight sensor 11.

are shown in accompanying drawing 1; Between the outer face of step 21 and the elastic packing tube 23 sealing ring 28 is installed; Be separately installed with sealing ring 28 between sensor mount pad 26 and elastic packing tube 23 and the rigid seal tube 24, be separately installed with sealing ring 28 between pressure ring 27 and rigid seal tube 24 and the cylindrical shell 1.

like accompanying drawing 1, shown in 3, battery pack 2 adopts rechargeable battery set; Easy to use like this, need not dismantle, make the utility model continuous firing, also reduce disposable use waste and pollution simultaneously.

shown in accompanying drawing 1, have screw thread locating hole 29 at the top of convex platform 6, like this, when mounted, can be connected with non magnetic drill collar through screw thread locating hole 29.

have internal thread in the lower inside of cylindrical shell 1 shown in accompanying drawing 1, in the outside of connector 4 external screw thread is arranged; Be convenient to being connected of the utility model and drill bit and non magnetic drill collar like this.

as required, are equipped with clock in installation cavity 7; Can each survey data be followed if having time like this, be convenient to search the survey data of this well depth being answered with time contrast well depth.

above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.

The installation and the use of the utility model most preferred embodiment: at first the lower end of cylindrical shell 1 and the upper end of drill bit are fixed together through screw thread; Lower end and connector 4 with non magnetic drill collar is fixed together again; When total pressure sensor is experienced turn on pump; It instructs it to start working only for speed probe 9 and moment of torsion and bit weight sensor 11 power supplies, and other sensor stops, thereby obtains related datas such as drill speed, the pressure of the drill, moment of torsion, bottom pressures; Otherwise when drilling tool is static after the termination of pumping; Total pressure sensor just begins to instruct it to start working to temperature sensor of direction of deflection 10, gamma sensor 8 power supplies; Other sensor stops, thereby obtains related datas such as drill bit hole deviation, orientation, temperature, bottom pressure, resistivity, gammas; Only survey once respectively and storage data after each turn on pump and the termination of pumping; When creeping into when need understanding the parameter of this well section; At first carrier carries out measurement pattern and the zero clearing setting (can not be provided with measurement pattern yet to peeking with computer on ground; The measurement pattern that keeps former no magnetic measurement pipe nipple); The device housing 15 of will peeking then is connected with each buoyant cabin 16, and the upper end of buoyant cabin 16 is fixedly installed togather through the lower end of screw thread with guiding lance 20 in the top, dismantles the kelly bar carrier of will peeking and puts into the drilling tool turn on pump and deliver to pallet 3 places; After note observing the standpipe pressure table arrived pallet 3 if any the variation explanation communication connector 17 of 0.5MPa to 2 MPa position communication connector 17 in the process of under turn on pump, sending and pallet 3 contacting; Communication connector 17 will be transferred to the measurement pipe nipple to the instruction that ground is provided with, and measures pipe nipple and receives can immediately the transfer of data that stores be given communication connector 17 and changed the surveying work pattern according to the instruction that passes down once more that (be that which sensor will dynamically measured down, which will be measured after the instruction under static state; These can be provided with change in the face of no magnetic measurement pipe nipple on ground; Also can set the back on ground and measure pipe nipple same the passing at present of peek by the peek carrier), maximum 3 minutes to 4 minutes of data transmission period can not termination of pumping in transmission course; Termination of pumping immediately and spudding up and down were in case bit freezing after equal time arrived; This moment, the carrier of peeking can float in drilling tool with the speed of 200m/min, on take out the peek carrier from well head after floating to well head, be connected with computer and read data through communication jack 19.

Claims

1. a downhole parameters measurement mechanism is characterized in that comprising no magnetic measurement pipe nipple and peek carrier; No magnetic measurement pipe nipple comprises cylindrical shell, battery pack and pallet; Be fixed with the connector that is up-narrow and down-wide taper type in the upper end of cylindrical shell; Connector bottom external diameter is less than the cylindrical shell external diameter; Lower convex platform is arranged at the bottom at cylindrical shell (1), is installed with convex platform in the upper end of cylindrical shell, between convex platform and lower convex platform, is installed with sealing drum; Form installation cavity between sealing drum, cylindrical shell, convex platform and the lower convex platform; In installation cavity, be installed with battery pack, total pressure sensor, gamma sensor, speed probe, temperature sensor of direction of deflection and moment of torsion and bit weight sensor respectively, be fixed with pallet, passage is arranged at the middle part of pallet at the top of connector; On the pallet in the passage outside, hydrophthalmia is arranged, storage and receiving system are installed on pallet; Total pressure sensor and battery pack are electrically connected through lead, and gamma sensor, speed probe, temperature sensor of direction of deflection and moment of torsion and bit weight sensor are electrically connected with battery pack, total pressure sensor and pallet respectively through lead; The peek carrier comprises peek device housing, buoyant cabin and communication connector; At least two buoyant cabins are fixed together from top to bottom, and the upper end of peek device housing is fixed together with the lower end of below buoyant cabin, and lower end and the communication connector of peek device housing are fixed together, and in the device housing of peeking, signal processing circuit and battery pack are installed; Signal processing circuit and communication connector are electrically connected through lead, and transfer of data and receiving system are installed on communication connector, and communication connector is installed in the passage of pallet, in the upper end of peek device housing the communication jack are arranged.

2. downhole parameters measurement mechanism according to claim 1; It is characterized in that on the cylindrical shell of lower convex platform top step being arranged; Bottom outside at convex platform is fixed with end cap; The external diameter of end cap is corresponding with the external diameter of lower convex platform, and sealing drum comprises elastic packing tube and rigid seal tube, and elastic packing tube and rigid seal tube are installed between lower convex platform and the end cap from top to bottom; The upper end of convex platform through screw thread and cylindrical shell is fixedly installed togather and holds out against elastic packing tube and rigid seal tube through end cap; Battery pack and sensor mount pad are installed in installation cavity from bottom to top, and axially spaced-apart is distributed with the sensor mounting groove in sensor mount pad upper edge, in the sensor mounting groove, is separately installed with gamma sensor, speed probe and temperature sensor of direction of deflection; Upper end at installation cavity is equipped with pressure ring, between sensor mount pad and pressure ring, is installed with moment of torsion and bit weight sensor.

3. downhole parameters measurement mechanism according to claim 2; It is characterized in that between outer face and the elastic packing tube of step sealing ring being installed; Be separately installed with sealing ring between sensor mount pad and elastic packing tube and the rigid seal tube, be separately installed with sealing ring between pressure ring and rigid seal tube and the cylindrical shell.

4. according to claim 1 or 2 or 3 described downhole parameters measurement mechanisms; There is the guiding lance top that it is characterized in that the top buoyant cabin; The guiding lance is up-narrow and down-wide bullet shaped, and the upper end of the top buoyant cabin is fixedly installed togather through the lower end of screw thread with the guiding lance.

5. downhole parameters measurement mechanism according to claim 4 is characterized in that battery pack adopts rechargeable battery set.

6. downhole parameters measurement mechanism according to claim 5 is characterized in that the screw thread locating hole is arranged at the top of convex platform.

7. according to claim 1 or 2 or 3 described downhole parameters measurement mechanisms, it is characterized in that the lower inside of cylindrical shell has internal thread, external screw thread is arranged in the outside of connector.

8. downhole parameters measurement mechanism according to claim 6 is characterized in that the lower inside of cylindrical shell has internal thread, in the outside of connector external screw thread is arranged.

9. downhole parameters measurement mechanism according to claim 8 is characterized in that being equipped with in the installation cavity clock.

10. downhole parameters measurement mechanism according to claim 9 is characterized in that buoyant cabin is fixed together through screw thread from top to bottom, and the upper end of peek device housing is fixed together through screw thread with the lower end of below buoyant cabin.