7results about How to "Increase working depth" patented technology

The utility model relates to a floating production storage and offloading (FPSO) deep sea stand pipe supporting device which comprises a stand pipe. The top supporting unit is arranged at the top of the vertical pipe; the auxiliary supporting unit is arranged at the bottom of the vertical pipe; the auxiliary supporting unit comprises a vertical pipe outer support, a connecting rod assembly and a connecting rod driving mechanism, the vertical pipe outer support is of an annular structure and arranged on the outer side of the vertical pipe in a sleeving mode, a plurality of through holes are formed in the vertical pipe outer support, one end of the connecting rod assembly is inserted into the through holes in a penetrating mode, and the other end of the connecting rod assembly is connected with the connecting rod driving mechanism. By means of the double supporting mode of the top supporting unit and the auxiliary supporting unit, movement of the vertical pipe in water can be restrained, the vertical pipe cannot be loosened due to underwater dynamic loads, and meanwhile the working water depth of the vertical pipe is greatly increased.

The application provides a downhole electric drilling tool for gas drilling and an application method thereof, wherein the downhole electric drilling tool comprises a drill string joint, a power unit, a transmission unit and a drill bit, the drill string joint is fixedly connected to the upper end of the power unit, and the drill string joint is used for connecting the electric drilling tool with an upper drill string; the transmission unit and the drill bit are sequentially connected to the lower end of the power unit, the power unit comprises a power supply assembly and a motor, the power supply assembly is connected with the motor, and the power supply assembly can provide power for the motor; the transmission unit comprises a speed reducer, the speed reducer is connected between the motor and the drill bit, and is used for transmitting the power output by the motor to the drill bit to drive the drill bit to drill. The application adopts a mode that high-density storage batteries directly supply power to the electric drilling tool, and then a planetary reducer is used to obtain the torque required for sliding drilling of gas drilling, and the driving mode of a gas screw is abandoned, and the operation capacity and reliability are greatly improved.

The invention discloses an electrodynamic transducer deepwater work implementation method, which is characterized in that an electrodynamic transducer, a pressure balancing device and a gas-electric hybrid umbilical cable form a deepwater electrodynamic sound simulator system, and during work, the electrodynamic transducer is matched with the pressure balancing device to realize complete balance of internal pressure and external pressure of the electrodynamic transducer; the gas-electric hybrid umbilical cable is a transmission medium of gas-electric signals; before the deepwater electrodynamic sound simulator system works, a pressure balance device is set to carry out upper and lower pressure difference limit values of pressurization and pressure relief operation; the electrodynamic transducer is composed of a vibration exciter, a radiation cover plate, a shell, a decoupling sealing ring and a balance rubber bag, and an internal air pressure sensor and an external water pressure sensor are installed on the electrodynamic transducer. Through cooperation of the pressure balancing device and the balancing rubber bag, the working water depth can reach the pressure resistance limit of a rubber bag material, complete balance of internal pressure and external pressure of the electrodynamic transducer under the deep water condition can be achieved, the working water depth of the electrodynamic transducer is increased, and the electrodynamic transducer has wide use prospects.

The utility model provides a kind of pepper picker, including fuselage, the fuselage is strip-shaped and section is waisted;Battery, switch, driving mechanism, charging female plug are connected with control panel and are equipped in the fuselage;The front end of the fuselage is equipped with extension pipe, the driving shaft that is power connected with the output shaft of driving mechanism is equipped in the extension pipe;The other end of the extension pipe is equipped with cutting mechanism, the cutting mechanism includes cutting cylinder with the detachable connection of extension pipe, cutting groove is opened in the direction of extension pipe from the one end of cutting cylinder far from extension pipe, the cutting groove is two or four and is evenly arranged along the circumferential direction of cutting cylinder, the blade that is connected with driving shaft is equipped in the cutting cylinder, the cutting edge of the blade is close to cutting cylinder inner wall and rotates under the control of driving shaft and passes cutting groove in line.The utility model has the advantages of convenient and labor-saving, beautiful appearance, comfortable holding, long endurance time.

The utility model provides a kind of grinding fluid stirring device, including motor module and stirring module, motor module includes stator coil and shell, stator coil is fixed on the inner wall of shell;Stirring module includes base, rotor coil and stirring assembly, rotor coil and stirring assembly are connected, rotor coil and stirring assembly are both fixed on base, base is used to place on stock solution bucket.Stirring assembly has elongation state and contraction state;Motor module is used to place on base, and the position of stator coil and the position of rotor coil correspond, stator coil can drive rotor coil rotation, rotor coil can drive stirring assembly switch between elongation state and contraction state after rotation.The stirring device will motor module and stirring module be set apart, can be conveniently disassembled and assembled of stirring device.And, the stirring assembly of the device can be telescopic, ensure that stirring assembly can be inserted into the bottom of stock solution bucket, can improve the uniformity after grinding fluid is stirred.

The present invention relates to the field of marine engineering technology, and discloses a semi-flexible dynamic positioning and dumping equipment for suspended mid-deep water sea pipes, comprising a semi-flexible guide structure, a storage cylinder for storing the semi-flexible guide structure, and a positioning and traction device connected to the end of the semi-flexible guide structure; the semi-flexible guide structure comprises a guide cylinder, a locking hole is circumferentially arranged on the upper part of the guide cylinder, the locking hole is connected to a lock chain, the lock chain comprises a first type of lock chain and a second type of lock chain, the first type of lock chain is welded to the corresponding lock hole on the guide cylinder, and the second type of lock chain passes through the corresponding lock holes on all guide cylinders in sequence; the bottom end of the lock chain is fixedly connected to the positioning and traction device, and the top end of the second type of lock chain is connected to a hydraulic winch. By arranging a semi-flexible guide structure and a positioning and traction device, the semi-flexible guide structure is not affected by external factors during the process of extending to the sand dumping site, and the placement site is accurately located under the traction of the positioning and traction device, thereby improving the operating depth and operating range.

The present invention discloses a buoyancy regulating plunger pump device for full-sea-depth submersibles, comprising an input valve group, an output valve group, a pressure-resistant cylinder and a reciprocating drive piston mechanism; the pressure-resistant cylinder comprises an input insertion hole, an output insertion hole and a drive insertion hole, the input insertion hole and the output insertion hole are located on the same axis, the drive insertion hole intersects the axis vertically to form a T-shaped channel; the three insertion holes are all provided with internal threads; the input valve group, the output valve group and the reciprocating drive piston mechanism are respectively located in the input insertion hole, the output insertion hole and the drive insertion hole of the pressure-resistant cylinder, and are all fixed by threads. The device can work at full sea depth, the main motion structure withstands the huge external seawater pressure through the pressure-bearing components, can ensure the reliable operation of the system, the equipment is simple, and the mechanical efficiency and volumetric efficiency are high.