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High-power resonance wave-chemical composite profile control and flooding device and method

A resonant wave, high-power technology, applied in the field of high-power resonant wave-chemical compound drive control devices, can solve problems such as construction conflicts, and achieve the effects of low input cost, reasonable design, and prolonged action period

Active Publication Date: 2014-07-23
CHINA UNIV OF PETROLEUM (EAST CHINA) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the two technologies of high-power harmonic wave oil recovery and chemical flooding use different equipment in actual construction, and both need to be connected to the oil-water well for construction, if they are connected to the same oil-water well at the same time, there will be construction conflicts

Method used

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  • High-power resonance wave-chemical composite profile control and flooding device and method
  • High-power resonance wave-chemical composite profile control and flooding device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] like figure 1 A high-power resonant wave-chemical composite control and flooding device shown includes a high-power resonant wave oil production system and chemical control and drive equipment. The high-power resonant wave oil production system includes a vibration generator 5 for generating mechanical vibrations, located at On the ground and the vibration driving equipment 3 that vibration generator 5 is driven, the vibration amplitude amplifying mechanism 6 that amplifies the amplitude of the mechanical vibration generated by the vibration driving equipment 3 and the mechanical vibration direction amplified by the vibration amplitude amplifying mechanism 6 Transform the vibration direction converter 7 to apply mechanical vibration to the oil reservoir 15 under construction. The vibration waveform of the mechanical vibration generated by the vibration generator 5 is a harmonic wave. The power of the Xie Zhenbo is 30kW~120kW. The reservoir 15 is an oil reservoir located...

Embodiment 2

[0103] In this embodiment, the high-power resonant wave-chemical composite control and drive device used is the same as that in Embodiment 1.

[0104] In this embodiment, when the profile control agent injected in Step 5 is a jelly-type profile control agent, a gel-type profile control agent or a resin-type profile control agent, the high-power resonant wave-chemical composite control and drive device does not need A gas compressor 8, a gas injection skid 9 and a gas injection line 16 are used.

[0105] In this example, the high-power resonant wave-chemical composite control and flooding method adopted is different from that in Example 1 in that the flood control agent injected in Step 5 is jelly type profile control agent, gel type profile control agent or resin type Profile control agent, step 5: when carrying out slug displacement of the control and displacement agent, inject the control and displacement agent into the construction well 14 through the agent injection pipeli...

Embodiment 3

[0116] In this embodiment, the difference between the high-power resonant wave-chemical compound control and drive device used in Embodiment 1 is that the vibration drive device 3 is an electric vibration exciter, an electromagnetic vibration exciter, an electro-hydraulic vibration exciter, etc. actuator or hydraulic vibration exciter. The mechanical vibration generated by the vibration generator 5 is transmitted to the vibration amplitude amplification mechanism 6 through the vibration transmission mechanism 4 , and the mechanical vibration amplified by the vibration amplitude amplification mechanism 6 is transmitted to the vibration direction converter 7 through the vibration transmission mechanism 4 .

[0117] In this embodiment, the vibration driving device 3 is an electromagnetic vibration exciter.

[0118] In actual use, the electromagnetic vibration exciter can be the electromagnetic vibrator disclosed in the invention patent application "An Electromagnetic Drive Downho...

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Abstract

The invention discloses a high-power resonance wave-chemical composite profile control and flooding device and method. The profile control and flooding device comprises a high-power resonance wave oil extraction system and chemical profile control and flooding equipment. The high-power resonance wave oil extraction system comprises a vibration generator, a vibration drive device, a vibration amplitude amplifying mechanism and a vibration direction converter. Vibration waveforms of mechanical vibration generated by the vibration generator are resonance waves. The chemical profile control and flooding equipment comprises agentia injection equipment and an agentia injection pipeline. The profile control and flooding method includes the following steps of selecting a vibration oil extraction construction well and a profile control and flooding construction well, installing equipment, adjusting parameters, starting the high-power resonance wave oil extraction system, conducting modifying and flooding agent slug displacement of reservoir oil and conducting displacement of reservoir oil and well yield monitoring. The high-power resonance wave-chemical composite profile control and flooding device is reasonable in design, easy and convenient to use and operate, good in use effect and high in practical value, the composite application of a high-power resonance wave oil extraction technology and a chemical profile control and flooding technology can be effectively achieved, and the yield of oil field crude oil is increased and the crude oil recovery is increased.

Description

technical field [0001] The invention belongs to the technical field of oil field control and flooding, and in particular relates to a high-power harmonic wave-chemical composite control and drive device and a control and drive method. Background technique [0002] High-power harmonic wave oil recovery and chemical control and flooding are oil recovery technologies for improving secondary and tertiary oil recovery. High-power harmonic wave oil recovery uses the propagation of acoustic physical fields to directly or indirectly act on the formation with strong vibration energy, causing physical and chemical changes in the oil layer and fluid, thereby improving the seepage conditions of the oil layer and achieving the purpose of increasing production and injection of oil and water wells Physical oil recovery technology. The chemical control and flooding technology utilizes the injection of chemicals into the injection well to block the channeling of underground reservoirs and i...

Claims

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Application Information

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IPC IPC(8): E21B28/00E21B43/22
Inventor 蒲春生王香增高瑞民王成俊郑黎明洪玲刘静王前荣李娜
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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