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NATIONAL 55, 1000HP MECHANICAL DRILLING RIG

No Longer Available

12,500’ DRILLING DEPTH
(2) CE DA 850 Duplexe Pumps
Rig is located in Texas!

MAKE AN OFFER
Call to Inspect and Buy Today!!!


Call NOW! (800) 952-1973

Listing Details

CLASSIFICATION:      
National 55,1000 HP

DRILLING DEPTH:       
12,500'

POWER SYSTEM:
Two (2) Caterpillar D379 engines each with
National Torque converters driving an
inline compound and Two (2) Caterpillar
D3408 engines with 250 KW AC generators

DRAWWORKS:
National Type 55, 1000 HP
Two (2) Engine Inline Compound 
Single Pump Drive (2) Caterpillar 379, 550 HP 
w/ National/Oilworks C245 Torque Converter

MAST:
Lee C. Moore 127' x 21' base, 500,000 Rating

DRILL LINE:
1 - 1/4" KWR

SUBSTRUCTURE:
Lee C Moore 19.5' high substructure, 500,000"
rotary capacity with 300,000# setback capacity

MUD PUMPS:
(2) CE DA 850 Duplexes

ROTARY:
Oil Well 27 1/2"

TRAVELING BLOCK:
National 250 Ton Block w/bicket
BJ 200 Ton Hook w/bicket

SWIVEL: 
National 400


KELLY: 
5 1/4" Hex X 40'        

ANNULAR PREVENTER:
Cameron 13 - 5/8" Type "U" 5,000#

RAM PREVENTERS:
Cameron 13 - 5/8" Type "U" 5,000#

ACCUMULATOR SYSTEM:
Koomey six (6) station, 80 gallon capacity
with dual air pumps and one (1) electric pump
Cameron Station    

MUD TANK SYSTEM:
Three (3) tank 1100 BBL total - BBL Pre-mix
pit, Brandt Shaker   

MUD MIXING PUMPS:           
Two (2) 5" x 6" centrifugal pumps, each driven 
 by 60 HP electric motors

AUXILLIARY EQUIPMENT:
One (1) Tool Pusher Quarters
Two (2) 500 BBL Water Tank
One (1) Automatic Driller
Two (2) Air Hoists      
One (1) Drilling Recorder

NO TUBULARS

Listing No. 54