July 1998
Industry At A Glance

98-07_drilling-mojarro-table3.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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