CN202866773U - Ultrahigh-pressure nitrogen injecting device special for oil field - Google Patents
Ultrahigh-pressure nitrogen injecting device special for oil field Download PDFInfo
- Publication number
- CN202866773U CN202866773U CN201220450901.7U CN201220450901U CN202866773U CN 202866773 U CN202866773 U CN 202866773U CN 201220450901 U CN201220450901 U CN 201220450901U CN 202866773 U CN202866773 U CN 202866773U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- oil field
- pressure
- special
- diaphragm type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the technical field of design and manufacture of mechanical equipment special for oil, in particular to an ultrahigh-pressure nitrogen injecting device special for an oil field. The ultrahigh-pressure nitrogen injecting device special for the oil field comprises an air compressing system, a nitrogen membrane separating system and a nitrogen pressurization system. The nitrogen pressurization system comprises a reciprocating type piston nitrogen pressurization unit and a diaphragm type nitrogen pressurization unit. Namely, a current conventional nitrogen pressurization machine (for example, the reciprocating type piston nitrogen pressurization unit) is utilized to boost the pressure of low-pressure high-purity nitrogen to be 30 MPa (a primary nitrogen pressurization machine does not operate at full load for continuous running time is considered to be relatively long), and then the diaphragm type nitrogen pressurization unit is utilized to secondarily boost the pressure of the nitrogen with the pressure of 30 MPa to be 70 MPa, so that process requirement is satisfied. The ultrahigh-pressure nitrogen injecting device special for the oil field can satisfy the requirement of the processes of shale gas development, acidification, fracturing and the like for the air injecting pressure higher than 50 MPa and is suitable for the needs of various oil field on-site operations such as a land oil field on-site operation or a sea oil field on-site operation.
Description
Technical field
The utility model relates to the design of oil special mechanical equipment and manufacturing technology field, is specially a kind of oil field special-purpose superelevation pressure injection nitrogen equipment.
Background technology
The conventional film nitrogen making and injection equipment that uses in oil field is generally and uses screw air compressor to obtain low-pressure air at present, prepare low-pressure nitrogen by air treatment system and film separation system, compression is pressurized to required pressure (it is following to be generally 35MPa) to low-pressure nitrogen through the reciprocating piston supercharger, but can't satisfy the above gas injection pressure requirement of the technique 50MPa such as shale gas exploitation, acidifying, pressure break, superelevation pressure injection nitrogen gas preparing that must development of new could satisfy Oil Field operation needs.
The utility model content
For above-mentioned technological deficiency, the utility model provides a kind of easy to operate oil field special-purpose superelevation pressure injection nitrogen equipment, and it can solve the existing hypodynamic defective of nitrogen equipment nitrogen pressure of annotating.
Its technical scheme is: comprise the air compression system, nitrogen film separation system, the nitrogen pressurization system that connect successively, wherein nitrogen pressurization system comprises reciprocating piston nitrogen supercharging unit and diaphragm type nitrogen supercharging unit.Namely adopt present conventional nitrogen supercharging machine (such as reciprocating piston nitrogen supercharging unit) that the low pressure high-purity nitrogen is pressurized to 30MPa(and consider that continuous operating time is longer, the not oepration at full load of elementary nitrogen supercharging machine), then adopt diaphragm type compressor that 30MPa nitrogen is carried out secondary booster to 70MPa, thereby reach technological requirement.
Described diaphragm type nitrogen supercharging unit comprises drive motors, diaphragm type compressor and high pressure nitrogen cooler; Described air compression system comprises screw rod unit, compressed air cooler and compressed air processing system, and described nitrogen film separation system comprises hollow-fibre membrane group and high pressure nitrogen cooler.
Described notes nitrogen equipment is divided into a plurality of prying bodies and forms, and adopts upper hoisting structure design.And for satisfying the ocean platform lifting requirements, single sled weight≤9.5 ton.
Described notes nitrogen equipment also comprises control system, the DCS system that it adopts central Centralized Monitoring and controls on the spot.Adopt built-in industrial control machine Centralized Monitoring, slave computer to select the PLC programmable logic controller to control on the spot such as host computer, and adopt the DP communications protocol to carry out communication between the two; Described control system also is provided with man-machine interface.
The special-purpose super-pressure in oil field (70MPa) that adopts the present invention to make is annotated the nitrogen device can produce 95% above high pure nitrogen, operating pressure reaches as high as 70MPa, nitrogen output is at 900 Nm3/h, single sled weight≤9.5 ton, can satisfy the above gas injection pressure requirement of the technique 50MPa such as shale gas exploitation, acidifying, pressure break, be the various Oil Field operation needs such as adaptation and land or ocean.
Description of drawings
Fig. 1 is the connection diagram of utility model;
Fig. 2 is the structural representation of air compressor machine sled;
Fig. 3 is the structural representation of film nitrogen sled processed;
Fig. 4 is the structural representation of reciprocating piston nitrogen supercharging machine sled;
Fig. 5 is the structural representation of diaphragm type nitrogen supercharging machine sled;
Wherein, 1, air compressor machine sled: 1.1 screw air compressing units; 2, film nitrogen sled processed: 2.1 compressed air coolers, 2.2 compressed air processing systems, 2.3 hollow-fibre membrane groups in parallel; 3, reciprocating piston nitrogen supercharging machine sled: 3.1 high pressure nitrogen coolers, 3.2 reciprocating-piston compressors, 3.3 Diesel engines; 4, diaphragm type nitrogen supercharging machine sled: 4.1 start and control system 4.2 fire-proof motors, 4.3 diaphragm type compressors, 4.4 diaphragm type compressor coolers.
The specific embodiment
1-5 is described further the utility model with reference to accompanying drawing:
A kind of oil field special-purpose superelevation pressure injection nitrogen equipment is comprised of air compressor machine sled 1, film nitrogen sled 2 processed, reciprocating piston nitrogen supercharging machine sled 3, diaphragm type nitrogen supercharging machine sled 4 and control system 5; Wherein air compressor machine sled 1 is by screw air compressing unit 1.1 preparation low-pressure airs; Film nitrogen processed sled 2 is provided with interconnected compressed air cooler 2.1, compressed air processing system 2.2 and hollow-fibre membrane group 2.3 in parallel, is respectively applied to cooled compressed air, for the preparation of the air of cleaning and carry out oxygen-nitrogen and separate the preparation high pure nitrogen; Reciprocating piston nitrogen supercharging machine sled 3 is provided with interconnective high pressure nitrogen cooler 3.1 and reciprocating-piston compressor 3.2, be used for being compressed to 30Mpa with the nitrogen cooling and with low-pressure nitrogen, reciprocating-piston compressor 3.2 provides power by Diesel engine 3.3; Diaphragm type nitrogen supercharging machine sled 4 is provided with by startup and control system 4.1 controls and passes through the diaphragm type compressor 4.3 that fire-proof motor 4.2 drives, by diaphragm type compressor 4.3 the 30MPa high pressure nitrogen is compressed to 70Mpa after starting, then by diaphragm type compressor cooler 4.4 cooling super-pressure nitrogen.
The DCS system that control system 5 adopts central Centralized Monitoring and controls on the spot, slave computer selects Siemens PLC C series Programmable logic Controller (PLC) (mainly being CPU315) that air compressor machine nitrogen gas generating system, film separation and nitrogen-making system, nitrogen pressurization system are controlled on the spot, host computer adopts built-in industrial control machine (Siemens MP277), be responsible for whole system is coordinated control, mainly finish the work such as complete machine interlock, uploading data monitoring, parameter alarm logging, dynamic state of parameters curve, data storage, technical data inquiry, adopt the DP communications protocol to carry out communication between the two.System has advanced man-machine interface, has data demonstration and operation control function.
This equipment can produce 95% above high pure nitrogen, and operating pressure reaches as high as 70MPa, and nitrogen output is at 900 Nm3/h, and list is prized weight≤9.5 ton (satisfying the ocean platform lifting requirements); And satisfy oil gas field fire prevention, requirement of explosion proof, possess the design condition of sand-proof and sleet, can normally operation under dust storm and sleet weather conditions.The global design size satisfies the highway transportation requirement.
Claims (6)
1. an oil field special-purpose superelevation pressure injection nitrogen is equipped, comprise the air compression system, nitrogen film separation system, the nitrogen pressurization system that connect successively, it is characterized in that: described nitrogen pressurization system comprises reciprocating piston nitrogen supercharging unit and diaphragm type nitrogen supercharging unit.
2. the special-purpose superelevation pressure injection in oil field according to claim 1 nitrogen is equipped, and it is characterized in that: described diaphragm type nitrogen supercharging unit comprises drive motors, diaphragm type compressor and high pressure nitrogen cooler; Described air compression system comprises screw rod unit, compressed air cooler and compressed air processing system, and described nitrogen film separation system comprises hollow-fibre membrane group and high pressure nitrogen cooler.
3. the special-purpose superelevation pressure injection in oil field according to claim 1 and 2 nitrogen is equipped, and it is characterized in that: described notes nitrogen equipment is divided into a plurality of prying bodies and forms.
4. the special-purpose superelevation pressure injection in oil field according to claim 3 nitrogen is equipped, and it is characterized in that: described notes nitrogen equipment also comprises control system, the DCS system that it adopts central Centralized Monitoring and controls on the spot.
5. the special-purpose superelevation pressure injection in oil field according to claim 4 nitrogen is equipped, it is characterized in that: described control system host computer adopts built-in industrial control machine Centralized Monitoring, slave computer to select the PLC programmable logic controller to control on the spot, and adopts the DP communications protocol to carry out communication between the two; Described control system also is provided with man-machine interface.
6. the special-purpose superelevation pressure injection in oil field according to claim 4 nitrogen equipment is characterized in that: described notes nitrogen equipment list sled weight≤9.5 ton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220450901.7U CN202866773U (en) | 2012-09-06 | 2012-09-06 | Ultrahigh-pressure nitrogen injecting device special for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220450901.7U CN202866773U (en) | 2012-09-06 | 2012-09-06 | Ultrahigh-pressure nitrogen injecting device special for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866773U true CN202866773U (en) | 2013-04-10 |
Family
ID=48033499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220450901.7U Expired - Lifetime CN202866773U (en) | 2012-09-06 | 2012-09-06 | Ultrahigh-pressure nitrogen injecting device special for oil field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866773U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389575A (en) * | 2014-11-18 | 2015-03-04 | 河南方舟新能源股份有限公司 | Coalbed methane well fracturing pure-nitrogen blockage-removing method for low-pressure low-permeability reservoir |
| CN110980660A (en) * | 2019-12-18 | 2020-04-10 | 安徽巨丰压缩机制造有限公司 | Nitrogen making integrated machine |
| CN113638717A (en) * | 2021-09-14 | 2021-11-12 | 四川恒重清洁能源成套装备制造有限公司 | Low-pressure low-yield well drainage gas recovery method |
| CN114165200A (en) * | 2021-11-09 | 2022-03-11 | 昌黎县迪艾沃石油开采技术开发有限公司 | Downhole gas injection method |
-
2012
- 2012-09-06 CN CN201220450901.7U patent/CN202866773U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389575A (en) * | 2014-11-18 | 2015-03-04 | 河南方舟新能源股份有限公司 | Coalbed methane well fracturing pure-nitrogen blockage-removing method for low-pressure low-permeability reservoir |
| CN110980660A (en) * | 2019-12-18 | 2020-04-10 | 安徽巨丰压缩机制造有限公司 | Nitrogen making integrated machine |
| CN113638717A (en) * | 2021-09-14 | 2021-11-12 | 四川恒重清洁能源成套装备制造有限公司 | Low-pressure low-yield well drainage gas recovery method |
| CN114165200A (en) * | 2021-11-09 | 2022-03-11 | 昌黎县迪艾沃石油开采技术开发有限公司 | Downhole gas injection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202866773U (en) | Ultrahigh-pressure nitrogen injecting device special for oil field | |
| CN100534840C (en) | Hydrogen generating and refilling system and method capable of refilling hydrogen fast | |
| WO2009034548A3 (en) | Multistage hydraulic gas compression/expansion systems and methods | |
| CN203248303U (en) | Air starting system of diesel generator | |
| CN206741293U (en) | A kind of medical center oxygen supply monitoring system based on PLC | |
| CN202078672U (en) | High quality breathing air supply system | |
| CN208365198U (en) | High pressure, high purity hydrogen hydrogen producing hydrogenation all-in-one machine | |
| CN201763563U (en) | Hydraulic five-cylinder gas compressor | |
| CN201588762U (en) | Screw compression and piston compression tandem-type air compressor | |
| CN217928246U (en) | Integrated liquid-driven compressor system of hydrogen production and hydrogenation station | |
| CN203023015U (en) | Medium- and high- pressure single-screw piston combined type compressor set | |
| CN210688917U (en) | Device for producing liquid nitrogen by using LNG cold energy | |
| CN203432209U (en) | Air separation system | |
| CN104179657A (en) | Passive pneumatic pressurizing device for underground coal mine | |
| CN210915967U (en) | System for LNG is prepared to oxygen-bearing coal bed gas based on heat sound technique | |
| CN110487023B (en) | Method for producing liquid nitrogen by utilizing LNG cold energy | |
| CN209820021U (en) | Device for improving liquid production efficiency of external compression process | |
| CN203731092U (en) | Device for pressurizing raw natural gas by using natural gas pipeline network pressure energy | |
| CN208885348U (en) | Exchange energy device | |
| CN105698005A (en) | Natural gas pressure difference energy recovery-LNG production system and process | |
| CN208059408U (en) | A kind of internal pressure contracting oxygen generation system | |
| CN207316089U (en) | Mobile screw electronic intake valve used for air compressor | |
| CN2597704Y (en) | Non-lubrication five-stage oxygen compressor | |
| CN207871735U (en) | A kind of field environment air source shelter | |
| CN201448219U (en) | Air-extracting device of compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190403 Address after: 257067 No. 267 South Second Road, Dongying District, Dongying City, Shandong Province Patentee after: Shandong High Speed Corey Petroleum Equipment Co.,Ltd. Address before: 257000 No. 1002 Xiliu Road, Dongying District, Dongying City, Shandong Province Patentee before: SHANDONG HENGYE PETROLEUM NEW TECHNOLOGY APPLICATION CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |