Self-propelled gas well servicing rig

Technical Proposal

The engineering company ENCE GmbH (ЭНЦЕ ГмбХ) offers to several gas enterprises in the Republic of Turkmenistan (Turkmenia) various self-propelled drilling rigsto maintain and to perform a well workover as well as to drill with hook load capacity up to 200 tons and drive power up to 750 HP.

DRILLING RIG BASIC MODEL		SDR250S	SDR375	SDR500D	SDR750D
Workover depth, rated		6000 ft (1839 m)	12000 ft (3659 m)	15000 ft (4573 m)	18000 ft (5488 m)
Drilling depth, rated			3000 ft (915 m)	6000 ft (1829 m)	9000 ft (2740 m)
Hoisting capacity		75 t (68 mt)	100 t (91 mt)	150 t (136 mt)	200 t (180 mt)
Power rating		250 HP (187 kW)	375 HP (280 kW)	500 HP (373 kW)	750 HP (560 kW)
Main design options		desert/ jungle/arctic services	desert/ jungle/arctic services	desert/ jungle/arctic services	desert/ jungle/arctic services
Mast	Model	НТМ75	НТМ100	ВТ150	ВТ200
	Standards	API 4 °F, 3rd edition	API 4 °F, 3rd edition	API 4 °F, 3rd edition	API 4 °F, 3rd edition
	Type	telescopic (hydraulic telescopic)	telescopic (hydraulic telescopic)	Telescopic (with travelling block)	Telescopic (with travelling block)
	Drill lines, max.	4	6	8	10
	Hook load capacity @ max. drill lines	75 t (68 mt)	100 t (91 mt)	150 t (136 mt)	200 t (180 mt)
	Working clear height	65' — 7" (20 m)	101'-7" (31 m)	108'-2" (33 m)	114'-10" (35 m)
	Drill pipes	range II, single	range II, double	range II, double	range II, double
	Runaround capacity		50 stands of DP ½"	100 stands of DP 4"	145 stands of DP 4"
Chassis	Model	СА250	СА375	СА500	СА750
	Steering axles	2	2	2	2
	Drive axles	2	2	2	2
	Auxiliary axles			1	2
	Rig size w/o mast	11.6 М X 2.8 М X 2.8 М	11.6 M X 2.8 M X 2.9 М	12 М Х ЗМ Х ЗМ	12 М Х ЗМ Х ЗМ
	Rig size on road	17.2 М X 2.8 M X 4.2 М	17.2 М X 2.8 M X 4.2 М	20 М Х ЗМ Х 4 М	20 М Х ЗМ Х 4 М
	Rig weight, loaded	65,000 lbs (29,484 kg)	75,000 lbs (34,020 kg)	85,000 lbs (38,556 kg)	95,000 lbs (40,824 kg)
Drawworks	Model	DW250M	DW375M	DW500M	DW750M
	Stadards	API 7К and API 9В	API 7К and API 9В	API 7К and API 9В	API 7К and API 9В
	Power rating	250 HP (187 kW)	375 HP (280 kW)	500 HP (373 kW)	750 HP (560 kW)
	Max. draft force / 1 drill line	40,656 lbs (180,838 kN)	37630 lbs (166,177 kN)	44,078 lbs (196,059 kN)	48,956 lbs (217,753 kN)
	Hoisting capacity @ max. drill lines	75 t (68 mt)	100 t (91 mt)	150 t (136 mt)	200 t (180 mt)
	Drum groove diameter	7/8" (22 mm)	1'' (25 mm)	1" (25 mm)	1 1/8" (29 mm)
	Brake	band type	band type	Disk brake system	Disk brake system
	Band brake rim size	32" X 8" (965 mm X 254 mm)	38" X 10" (965 mm X 254 mm)
Power supply	Drive	mechanical	mechanical	mechanical	mechanical
Power supply	Electric motors	1×250 HP (187 kW)	1×375 HP (280 kW)	1×500 HP (373 kW)	2×375 HP (280 kW)
Mud pumps		special order	special order	special order	special order