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Tuesday 29 September 2020
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines
  • Nickel Alloys, Titanium and Stainless Steel Flowlines

A flow line, used on a drilling rig, is a large diameter pipe (typically a section of casing) that is connected to the bell nipple (under the drill floor) and extends to the possum belly (on the mud tanks) and acts as a return line, (for the drilling fluid as it comes out of the hole), to the mud tanks. The flow show shows whether drilling fluid is flowing down the flow line or not and any changes in that flow. High-pressure jets are typically attached along its length to dislodge any obstructions (such as drill cuttings collecting in one spot) that may occur. The possum belly is used to slow the flow of returning drilling fluid before it hits the shale shakers. This enables the shale shaker to clean the cuttings out of the drilling fluid before it is returned to the pits for circulation. Another common add on is the sample box. This is a heavy-duty rubber hose that is inserted at the end of the flow line and at the other end emplaced into the sample box itself. The sample box is used to capture samples of drill cuttings for geological logging. The box is typically equipped with a raising door that allows the water and cuttings to escape after a sample is collected.

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