JD - Revision history

MishaT: /* See Also */

2025-04-07T11:53:07Z

‎See Also

2025-04-07T09:43:15Z

‎Oil

2025-04-07T09:41:56Z

‎Oil

2025-04-07T09:41:22Z

‎Oil

2023-07-12T09:32:04Z

2023-07-11T09:17:34Z

‎Maximum J_D

2023-07-11T09:17:10Z

‎Maximum J_D

2023-07-11T09:16:31Z

‎Maximum J_D

2023-07-11T09:03:05Z

‎References

2023-07-11T09:02:33Z

@@ Line 82: / Line 82: @@
 * [[Darcy's law]]
-* [[JD]]
+* [[IPR]]
 * [[Productivity index|J]]
 * [[Production Potential]]

@@ Line 38: / Line 38: @@
 :<math> {J_D} = \frac{141.2 B \mu}{kh} \frac{q}{\bar{P} - P_{wf}} = \frac{141.2 B \mu}{kh} J</math>
-:<math> {q} = (\bar{P} - P_{wf}) J = \frac{kh}{141.2 B \mu} (\bar{P} - P_{wf}) J_D</math>
+:<math> {q} = \frac{kh}{141.2 B \mu} (\bar{P} - P_{wf}) J_D = (\bar{P} - P_{wf}) J</math>
 ===Gas===

@@ Line 38: / Line 38: @@
 :<math> {J_D} = \frac{141.2 B \mu}{kh} \frac{q}{\bar{P} - P_{wf}} = \frac{141.2 B \mu}{kh} J</math>
-:<math> {q} = \frac{kh}{141.2 B \mu} (\bar{P} - P_{wf}) J_D = (\bar{P} - P_{wf}) J</math>
+:<math> {q} = (\bar{P} - P_{wf}) J = \frac{kh}{141.2 B \mu} (\bar{P} - P_{wf}) J_D</math>
 ===Gas===

@@ Line 38: / Line 38: @@
 :<math> {J_D} = \frac{141.2 B \mu}{kh} \frac{q}{\bar{P} - P_{wf}} = \frac{141.2 B \mu}{kh} J</math>
-:<math> {q} = \frac{kh}{141.2 B \mu} (\bar{P} - P_{wf}) J_D </math>
+:<math> {q} = \frac{kh}{141.2 B \mu} (\bar{P} - P_{wf}) J_D = (\bar{P} - P_{wf}) J</math>
 ===Gas===

← Older revision		Revision as of 09:32, 12 July 2023
Line 133:		Line 133:
	\|description=JD dimensionless productivity index		\|description=JD dimensionless productivity index
	}}		}}
		+	<div style='text-align: right;'>By Mikhail Tuzovskiy on {{REVISIONTIMESTAMP}}</div>

@@ Line 45: / Line 45: @@
 ==Maximum <math>J_D</math>==
-The undamaged unstimulated vertical well potential in a pseudo steady radial flow in circular drainage area:
+The undamaged unstimulated vertical well potential in a pseudo steady radial flow in a circular drainage area:
 :<math> {J_D}_{max} \approx \frac{1}{ln{\frac{500}{0.1}-\frac{3}{4}+0}} \approx 0.1287</math>

@@ Line 47: / Line 47: @@
 The undamaged unstimulated vertical well potential in a pseudo steady radial flow is:
-:<math> {J_D}_{max} \approx \frac{1}{ln{\frac{500}{0.1}-\frac{3}{4}+0}} \approx 0.13</math>
+:<math> {J_D}_{max} \approx \frac{1}{ln{\frac{500}{0.1}-\frac{3}{4}+0}} \approx 0.1287</math>
 The maximum possible stimulated well potential for pseudo steady linear flow is:

@@ Line 109: / Line 109: @@
   |url-access=subscription
 }}</ref>
 ref name= Dietz >{{cite journal
   |last1=Dietz|first1=D.N.
   |title=Determination of Average Reservoir Pressure From Build-Up Surveys

← Older revision		Revision as of 09:02, 11 July 2023
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−	Some typical <math> {C_A}</math> values: circle 31.6, square 30.88.	+	Some typical <math> {C_A}</math> values: circle 31.6, square 30.88 <ref name = Dietz/>.

	===Oil===		===Oil===