Which are corrrect for choosing proppant
A: for low permeability formations,the fracture mainly is requires to increases the length
B: for low permeability formations,the fracture mainly is requires to increases fracture conductivity
C: for medium or high permeability formations,the fracture mainly is requires to increases the length.
D: for medium or high permeability formations,the fracture mainly is requires to increases fracture conductivity.
A: for low permeability formations,the fracture mainly is requires to increases the length
B: for low permeability formations,the fracture mainly is requires to increases fracture conductivity
C: for medium or high permeability formations,the fracture mainly is requires to increases the length.
D: for medium or high permeability formations,the fracture mainly is requires to increases fracture conductivity.
举一反三
- Which one is incomplete fracture? A: linear fracture B: comminuted fracture C: spiral fracture D: Oblique fracture
- Which of the following statements is true about the PKN model and the KGD model? A: PKN model is suitable for the fracture with a long fracture length greater than the fracture height. B: KGD model is suitable for the fracture whose height is far greater than its length. C: The plane assumption of PKN model is the direction of fracture width and height. D: The plane of KGD model is assumed to be joint width and seam length direction.
- Which of the following is incomplete fracture? () A: Fissured<br/>fracture B: Transverse fracture C: Oblique fracture D: Spiral<br/>fracture
- Inflammatory<br/>exudation is mainly<br/>due to() A: Hemodynamic<br/>changes B: Changes<br/>in vascular wall permeability C: Venule<br/>thrombosis D: Circulatory<br/>volume increases
- Bedding joints are must be<br/>___ A: strike fracture B: dip fracture C: oblique fracture D: possible anyone