...
Corrrelation | Name/Author | Scope |
---|
LaTeX Math Block |
---|
anchor | Dobrynin |
---|
alignment | left |
---|
| \displaystyle c_r(p) = c_{ri} \cdot \frac{ \ln \left( \frac{ p_n }{p_{\rm max}} \right) }{ \ln \left( \frac{p_{ni}}{p_{\rm max}} \right) } |
LaTeX Math Block |
---|
| p_n = p_{\rm min} + 1.75 \cdot \phi^{0.51} \cdot (p_{\rm max} - p) |
LaTeX Math Block |
---|
| p_{ni} = p_{\rm min} + 1.75 \cdot \phi^{0.51} \cdot (p_{\rm max} - p_i) |
where is initial formation pressure is initial formation compressibility | Dobrynin | Ppmin = 1 MPa < p < Ppmax = 200 MPa LaTeX Math Block |
---|
|
anchor | pminmax |
---|
alignment | left |
---|
|
p_{\rm min} = 1 Mpa \, {\rm psi} \, < \, p \, < \, p_{\rm max} = 200 Mpa \, {\rm psi}