keyword :

Solutions
Solutions

Long Term Conductivity and Permeability

 Reference Conductivity (md-ft) @ 250 F

 Reference PermeabilityDarcies250 F

Closure stress (psi)

2000

4000

6000

8000

10000

12000

14000

2000

4000

6000

8000

10000

12000

14000

 

LDP

12/18

38553

23754

9852

4755

2235

---

---

1956

1355

586

283

139

----

----

16/20

24532

17569

8956

4553

2450

----

----

1275

960

506

267

145

----

----

16/30

15732

12175

8056

4355

2859

----

----

815

637

455

226

169

----

----

20/40

10569

8856

5860

3738

1954

----

----

568

473

335

207

159

----

----

 

ISP

16/30

16800

13000

9800

5850

3500

2350

---

1040

780

650

430

310

195

---

20/40

7850

6630

5350

3730

2460

1770

---

470

415

315

250

175

115

---

30/60

2880

2530

2000

1560

995

675

---

175

155

130

110

70

50

---

40/70

1685

1360

1010

785

575

445

---

140

105

82

60

50

43

---

 

HSP

12/18

41500

35330

22315

12589

5237

3569

2120

2653

2286

1590

855

396

275

185

16/30

17500

13900

10753

7250

5335

3850

2950

1150

925

713

505

386

287

253

20/40

7855

6350

5268

4150

3250

2350

1890

510

420

350

295

225

195

156

30/60

3560

3150

2680

2255

1830

1258

915

245

213

185

165

133

95

72

Remark: The reference conductivity and permeability are measured with a single phase fluid under laminar flow conditions according to API RP-61, In an annual fracture, the effective conductivity will be much lower due to non-Darcy and multiphase flow effects.