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2285 results about "Ultra high pressure" patented technology

Ultra high pressure is defined by the National Fire Protection Agency (NFPA) as pump pressures above 1100 psi.

Novel ultra-large-displacement ultrahigh-pressure well cementing equipment

The invention discloses novel ultra-large-displacement ultrahigh-pressure well cementing equipment. The novel ultra-large-displacement ultrahigh-pressure well cementing equipment comprises a loading carrier. A hydraulic system, a power transmission system, a metering tank, an electrical system, an air path system, a control system, an operating platform, a plunger pump, a clean water manifold, a mud manifold, a high-pressure manifold, a mixing system and an ash feeding manifold are mounted on the loading carrier, wherein the plunger pump is a five-cylinder plunger pump. The five-cylinder plunger pump is adopted to increase the pressure and displacement of the well cementing equipment, and the requirements of high pressure and large displacement are met; slurry mixing is carried out by double mixing devices, the mixing efficiency is improved, the stability of the slurry mixing density is improved, and the requirement of long-time uninterrupted operation is guaranteed; a mixing system pipeline is optimized, multiple sets of mixing systems are integrated on one slurry mixing tank, and the stability of the equipment is improved; and the clean water manifold is optimized, so that watersupply requirements of the multiple mixing devices can also be met at the same time by using one injection pump, and the requirement of large displacement is met.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Novel ultra-high-power cementing equipment integrated with remote control

The present invention relates to the technical field of petroleum equipment, in particular to novel ultra-high-power cementing equipment integrated with remote control. The novel ultra-high-power cementing equipment integrated with remote control comprises a loading system and a secondary beam, wherein the secondary beam is connected with a hydraulic system, a power transmission system, a meteringtank, an electrical system, a gas circuit system, a control system and a mixing system from front to rear in sequence, the lower portion of the gas circuit system is provided with a plunger pump, theplunger pump is connected with a high-pressure discharge system; a control platform is arranged at the lower part of the electrical system; the control system is positioned above the control platform; and the control system is connected with the remote control system. The novel ultra-high-power cementing equipment integrated with remote control meets the requirements of high pressure, large displacement, long time and continuous uninterrupted operation during the ultra-deep cementing operation and the ultra-high pressure gas well operation; and the occupied area is small, the pipeline connection is simple, and the maintenance frequency is low.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD

Device and method for testing molecular diffusion coefficients in multi-component oil-gas system under high temperature and high pressure

The invention relates to a device and method for testing molecular diffusion coefficients in a multi-component oil-gas system under high temperature and high pressure. The device consists of an inlet pump 1, an outlet pump 2, an intermediate container, a PVT (pressure-volume-temperature) cylinder 6, an oil-gas separator 7, a gas volume flow meter 8, a liquid phase density analyzer 10 and a chromatographic analyzer 9, wherein, one end of the intermediate container is connected with the inlet pump 1, and the other end of the intermediate container is connected with the PVT cylinder 6; the PVT cylinder is connected with the oil-gas separator 7; the separator is connected with the gas volume flow meter 8 and the liquid phase density analyzer 10; the gas volume flow meter and the liquid phase density analyzer are respectively connected with the chromatographic analyzer 9; and the other end of the PVT cylinder is connected with the outlet pump 2. The device has the advantages of reasonable principle and simple structure, and is convenient in operation; and by utilizing the method, the molecular diffusion coefficients of each component in a multi-component injected gas and actual crude oil system in gas phase and oil phase under the conditions of different reservoir temperature and pressure can be determined, thereby providing reasonable basic data for quantitative evaluation of influence of molecular diffusion effect on the enhancement of the recovery ratio by means of gas injection.
Owner:SOUTHWEST PETROLEUM UNIV

Drilling and sealing method and sealing device for ultra-high pressure fracturing holes in underground coal mines

The invention discloses a drilling-sealing method and a sealing device of a coal mine underground ultrahigh pressure fracturing hole. The drilling-sealing method comprises the following steps: drilling a plugging hole on coal rock body; going on drilling a fracturing hole forward in the plugging hole; transmitting the sealing device into the plugging hole, enabling a water outlet hole of a fracturing pipe to stretch into the fracturing hole and enabling a taper sleeve sleeved on the fracturing pipe and made of soft material to plug on a hole opening of the fracturing hole; sealing by using polyurethane and solidifying for 30 minutes for 1 m length section at the hole opening of the plugging hole; and grouting cement slurry greater than 425 into the plugging hole with pressure by a grouting pipe, and solidifying for 48 hours after finishing grouting. The device comprises a grouting pipe and a slurry returning pipe and a fracturing pipe. The grouting pipe and the slurry returning pipe are arranged in the plugging hole. The grouting pipe, the slurry returning pipe and the fracturing pipe are connected integrally. A soft taper sleeve is arranged on the fracturing pipe. The soft taper sleeve is plugged at the hole opening of the fracturing hole. The invention has the advantages that the sealing method has high sealing success rate, good effect and wide application range; and the sealing device has simple structure and convenient operation.
Owner:重庆市能源投资集团科技有限责任公司 +1

Ultra-high pressure circuit monitoring system for solar power generation

The invention relates to a solar-powered ultra-high voltage line monitoring system, comprising a high-voltage side solar power supply, a high voltage line monitoring device, a low-voltage side solar power supply, a line monitoring host computer and a remote wireless intelligent monitoring system. The high-voltage side solar power supply and the low-voltage side solar power supply comprise solar batteries, rechargeable batteries and power management units; the high voltage line monitoring device and the line monitoring host computer comprise sensing units as well as data acquisition and recording units for detecting and processing field parameters of various lines; and the remote wireless intelligent monitoring system comprises a wireless communication unit and a monitoring system master station. The high-voltage side solar power supply, the high voltage line monitoring device, the low-voltage side solar power supply, the line monitoring host computer and the remote wireless intelligent monitoring system compose a field device which collects and records the running status and fault information of high-voltage lines through solar power and transmits the running status and fault information to the monitoring system master station through the remote wireless communication unit so as to provide real-time information for power line monitoring.
Owner:SOUTHEAST UNIV +2

Ultrahigh pressure cross linked polyethylene insulated flexible direct-current optical fiber composite submarine cable

ActiveCN103000292AImprove workplaceImprove work field strength in insulation work fieldCommunication cablesOcean bottomUltra high pressure
The invention discloses an ultrahigh pressure cross linked polyethylene insulated flexible direct-current optical fiber composite submarine cable and relates to a direct-current cable. The ultrahigh pressure cross linked polyethylene insulated flexible direct-current optical fiber composite submarine cable is particularly used in large-power remote submarine power transmission in a flexible direct-current power consumption system of the vacuum control switch (VCS) current-switching technology and grid-tied connection among new energy alternating current systems of aperiodic operating wind power generation, tidal power generation and the like. The ultrahigh pressure cross linked polyethylene insulated flexible direct-current optical fiber composite submarine cable comprises direct-current cables, an optical fiber unit, a grounding feeder, filling strips, a main armor layer and an outer protective layer, wherein the two direct-current cables are respectively arranged on the left side and the right side, the optical fiber unit is arranged above the middle of the two direct-current cables, the grounding feeder is arranged under the middle portion of the two direct-current cables, and the cable is formed in a flat-supporting non-stranding mode; cable forming gaps are filled through arc-shaped filling strips; the direct-current cables, the optical fiber unit and the grounding feeder form the cable and then are armored through the main armor layer, the outer protectively layer is arranged on the surface of the main armor layer, anti-corrosion insulating glue is coated on each layer of polypropylene rope, and high-strength self-adhesive tapes are twisted outside the anti-corrosion insulating glue.
Owner:ZHONGTIAN TECH SUBMARINE CABLE CO LTD

Preparation method of high-toughness polycrystalline cubic boron nitride compound sheets

InactiveCN102505090AImprove like compatibilityImprove fracture toughnessUltra high pressureMixed materials
The invention relates to a preparation method of high-toughness polycrystalline cubic boron nitride compound sheets. The preparation method comprises the following steps that: various raw materials are respectively subjected to chemical acid-base treatment and physical vacuum treatment; micro powder of the treated raw materials is respectively mixed according to different mass percent ratios, mixed materials and base body material hard alloy base body sheets are pressed into test blocks according to a certain layer paving sequence; pressed and formed test blocks are put into a molybdenum cup separated by a salt tube shielding layer, then, filled salt tubes are put into a graphite mold, finally, the graphite mold is filled into a pyrophyllite cavity, ends are sealed, and synthesis blocks are obtained through assembling; and the synthesis blocks are sintered together at ultra-high pressure and high temperature to form the polycrystalline hard alloy compound sheets. The preparation method has the advantages that the toughness characteristic of the base body materials is fully utilized, the similar compatibility of the base body materials and polycrystalline layers of the prepared polycrystalline cubic boron nitride compound sheets is good, the fracture toughness property is good, the anti-impact performance is high, the knife breaking phenomenon can be greatly avoided, the knife change times are reduced, the service life is prolonged, and the processing efficiency and the processing precision of a knife tool are improved.
Owner:ZHONGYUAN ENGINEERING COLLEGE
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