98-07_drilling-mojarro_T4.html (Jul-1998)

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Table 4. New well design to drill slimhole with only drill pipe
Drill pipe design
Pipe data						Tool joint data
Section	OD, in.	Wt., lb/ft	Grade	Torsional yield, ft-lb	Tensile yield, 1,000 lb	Connection type, in. IF	OD, in.	ID., in.	Torsional yield, ft-lb	Tensile yield, 1,000 lb	Make up torque, ft-lb	Torsion ratio tool jt. to pipe

1	4-1/2	16.60	E-75	30,800	330	4	6-1/4	3-1/4	34,000	901	20,400	1.10
2	4-1/2	16.60	E-75	30,800	330	4	6-1/4	3-1/4	34,000	901	20,400	1.10
3	3-1/2	13.30	E-75	18,600	271	3-1/2	4-3/4	2-11/16	18,300	587	11,000	0.98
3	3-1/2	13.30	X-95	23,500	344	3-1/2	5	2-9/16	20,300	649	12,200	0.86
Drill collar / heavy weight pipe design
		Drill collars					Heavy weight
Section	Bit size, in.	No.	OD, in.	ID, in.	Length, m	Stabilizers	No.	OD, in.	ID, in.	Length, m	Wt., lb/ft	Mud type

1	12-1/4	3	8	2.813	30	1 & 3	13	4-1/2	2.750	117	42.30	WBM
2	8-1/2	9	6-1/2	2.813	90	bit, 1,3,9	12	4-1/2	2.750	108	42.30	OBM
3	5-7/8	9	4-3/4	2.000	90	bit, 1,3,9	12	3-1/2	2.188	108	25.50	OBM

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