July 1998
Industry At A Glance
98-07_drilling-mojarro-T3.html (Jul-1998)
A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
| Table 3. New well design for slimhole / tubingless technique | |||||||||||||
| Casing design | |||||||||||||
| Section | Setting depth, m |
Type casing | OD, in. | Wt., lb/ft | Grade | Pressure, psi |
Connection type | Bit dia., in. | Mud wt., g/cc | ||||
| From | To | Collapse | Internal | ||||||||||
| 1 | 0 | 150 | Surface | 9-5/8 | 36.00 | J-55 | 2,020 | 3,520 | STC | 12-1/4 | 1.20 | ||
| 2 | 0 | 1,650 | Intermed. | 7 | 26.00 | N-80 | 5,410 | 7,240 | BTC | 8-1/2 | 1.30 | ||
| 3 | 0 | 3,000 | Production | 3-1/2 | 9.30 | N-80 | 10,540 | 10,160 | WT(533) | 5-7/8 | 1.80 | ||
| Tubing design | |||||||||||||
| Section | Setting depth, m |
Type tubing | OD, in. | Wt., lb/ft | Grade | Pressure, psi |
Connection type | Tensile cap., 1,000 lb | Tension safety factor | ||||
| From | To | Collapse | Internal | ||||||||||
| — | 0 | 3,000 | Integral Upset | 3-1/2 | 9.30 | N-80 | 10,540 | 10,160 | WT(533) | 207 | 2.26 | ||
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