July 1998
Industry At A Glance

98-07_drilling-mojarro_T1.html (Jul-1998)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.

 

  Table 1. Conventional well design  
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 13-3/8 61.00 K-55 1,540 3,090 STC 17-1/2 1.20
2 0 1,650 Intermed. 9-5/8 47.00 N-80 4,760 6,870 BTC 12-1/4 1.30
3 0 3,000 Production 7 32.00 N-80 8,610 9,060 PCC 8-1/2 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		 Tensions safety factor
From To Collapse Internal
— 0 2,650 Coupled 2-7/8 6.40 N-80 11,170 10,570 PCC 145 2.61

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