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Case History - Drilling Magnum Composite Plugs With Coil Tubing
Well: Yellow Creek Federal 33-22-1, Rio Blanco County, CO.
Casing Size: 4-1/2”, 11.6#, P-110
Operator: Bass (BEPCO)
Coil Tubing Operator: Coil Tubing Services, 1-3/4” Coiled tubing
Mud Motor: Weatherford 2-7/8” ECTD Even Wall motor, high torque, high speed
Mill: Weatherford Clear Cut 4-Bladed Tungston Carbide Kutrite Mill, 3.795” OD
Composite Plugs: Magnum Composite Bridge Plugs
Actual Plug Drill Times
Plug No. |
Plug Depth (Feet) |
Composite Plug Type |
Drilling Time (minutes) |
1 |
8,200 |
4-1/2” CBP, 10K, 400 F (Kill Plug) |
17 |
2 |
9,290 |
4-1/2” CBP, 8K, 250 F |
16 |
3 |
9,650 |
4-1/2” CBP, 8K, 250 F |
12 |
4 |
9,888 |
4-1/2” CBP, 8K, 250 F |
20 |
5 |
10,200 |
4-1/2” CBP, 8K, 250 F |
14 |
6 |
10,580 |
4-1/2” CBP, 8K, 250 F |
10 |
7 |
10,810 |
4-1/2” CBP, 8K, 250 F |
15 |
8 |
10,960 |
4-1/2” CBP, 8K, 250 F |
8 |
9 |
11,150 |
4-1/2” CBP, 8K, 250 F |
8 |
|
|
Total plug milling time |
120 |
|
|
Average milling time per plug |
13 |
Comments: Started drilling the top kill plug at 11:00 am. Finished drilling up the bottom plug at 3:00 pm. Total time for drilling up all of the composite plugs, frac sand between plugs, and circulating the well clean between plugs was 4 hrs. |
