Changes between Version 21 and Version 22 of IOHN/AutoConRig/TrippingUseCases

Timestamp:

01/20/09 12:31:08 (15 years ago)

Author:

robertewald (IP: 85.19.67.218)

Comment:

--

IOHN/AutoConRig/TrippingUseCases

@@ -35 +35 @@
  1. Lower the drill string (opposite direction to pull).
  1. Connect the mud pump and apply a reduced flow rate, observer the pump pressure two possible cases:
+
+
+
+
+
 
 
@@ -115 +120 @@
     updown -> mudpump-> "pump as per\ncurve"
   }
-  packoffdetect -> "pump mud" -> pressure;
-  pressure -> "increase mud flow\nrate" [label="yes"];
-  "increase mud flow\nrate" -> holeclean ;
-  pressure -> "stop pump (curve)" [label="no"];
-  "stop pump (curve)"-> "Stuck pipe" 
+  packoffdetect -> "pump mud(curve)" -> pressure;
+  "pump mud(curve)" -> holeclean ;
+  pressure -> "stop pumping (curve)" [label="no"];
+  pressure -> "pump mud(curve)" [label="yes"]
+  "stop pumping (curve)"-> "Stuck pipe" 
   holeclean -> pullout;
   updown -> largekick -> "Activate BOP";