Method for preparing drag reducer from modified MoS2

A drag reducer and modification technology, which is applied in the field of preparation of drag reducer based on modified MoS2, can solve the problems of limited water solubility, limited temperature resistance, and long time consumption, and achieve good water solubility and sand carrying capacity. The effect of increased reaction speed and good thermal stability
CN110452677AActive Publication Date: 2019-11-15河南郸城顺兴石油助剂有限公司 +1
11 Cites 9 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
河南郸城顺兴石油助剂有限公司
Publication Date
2019-11-15

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a method for preparing a drag reducer from modified MoS2, and relates to the technical field of petroleum development. The method comprises the following steps: (1) preparationof the modified MoS2; (2) preparation of a modified MoS2 suspension; (3) preparation of a polymer; and (4) preparation of the drag reducer. The drag reducer prepared in the invention has a good thermal stability, so the product can be stored at room temperature for 30 d without flocculation and sedimentation; the product has good water-soluble dissolving ability, so the product can be fully dissolved in different water solutions, can be still uniformly dispersed after being subjected to gel breaking at a high temperature of 130 DEG C, and breaks through the technical problem of poor thermal stability of the drag reducer due to too high temperature; and the product has the advantages of low concentration and high efficiency, so the order of magnitude of the concentration of the drag reducer is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical field:

[0001] The invention relates to the technical field of petroleum development, in particular to a modified MoS 2 Method for preparing drag reducer. Background technique:

[0002] After the production of oil wells reaches a certain stage, the production capacity and permeability decrease. In order to enhance the oil drainage capacity and increase the production of oil wells, people invented fracturing technology. Fracturing technology is an important method widely used in the development of conventional or unconventional oil and gas fields as a contemporary technology for increasing production of oil and gas reservoirs. The fracturing fluid needs to have enough viscosity to create fractures in the reservoir and promote the fracture to expand into the reservoir, carry sand (proppant) from the ground into the fracture and make the proppant evenly distributed in the fracture, and close the fracture in the proppant-filled layer The gel-breaking flowback after to...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More