GEFCO LP-12 (Low Profile 1200-Foot Rig)
· LP-12 Is Essentially a Failing Model 1250, but with a Lowered Mast Pivot Point
· Rated Drilling Depth: 1,500 Ft.
· Designed For Drilling in All Types of Formations
· Self-Propelled For Easy Jobsite Mobility
· Maximum Transport Height: 8 Ft.
· Mud Pump
· Air Compressor
· Foam Injection Pump
· Water Injection Pump
Low-Profile Advantages:
- Compact 8-Foot Maximum Height Allows Access to Low-Clearance Areas
- Highly Maneuverable in Mountainous Areas, Narrow Streets, Underpasses, and Confined Job Sites
- Low Center of Gravity Improves Stability on Uneven Terrain
Transportation:
· The LP (Low Profile) 12 Is A Special Drill Designed to Fit Inside a Large Airplane for Rapid Transport to Remote Sites.
· It Is Also Transportable by Highway, Rail, Marine
Rated Capacity:
- 1500 Ft (457.2 M) Holes
- With 4½ In. (114.3 Mm) Aluminum Drill Pipe
- Designed To Handle Casing Loads Up To 30,000 Lbs. Using a Single Sheave Block
Mast:
- Electrically Welded from Cold Drawn Steel Tubing
- Rigid Structural Sections
- Raised And Lowered by Two Double-Acting Hydraulic Cylinders
Mast Specifications:
- Height: 31 Ft 6 In (9.61 M)
- Clearance Above Table for Using 20 Ft (6.1 M) Drill Pipe
- Total Gross Capacity: 45,000 Lbs. (20,412 Kg)
- Maximum Hook Capacity: 30,000 Lbs. (13,608 Kg) With Single Sheave Block
Crown:
- 2 Sheaves for Wire Line
- Angled Over Hole and Drums
- Roller Bearing
- 1 Sheave for Third Drum
- Spring Tension Provided in Crown for Each Pulldown Chain
Drawworks:
- Two Identical Drums
- Spiral Bevel Gear Drive
- Oil Bath Lubrication
- Air Clutch on Each Drum
- Third Drum for Sand Reel for Bailing
- Friction Clutch
Main Drums:
- Spool diameter: 7 in. (17.78 cm)
- Spool length: 4½ in. (11.43 cm)
- Maximum Single Line Pull: 15,000 lbs. (6,804 kg)
- Brake: 16 in × 4½ in. Single (40.64 × 11.43 cm)
- Line capacity: ⅝ in × 200 ft (1.27 cm × 61 m)
- Clutches: 14 in. Two-Plate (35.56 cm)
Third Drum:
- Spool diameter: 7 in. (17.78 cm)
- Spool length: 4 1/2 in. (11.43 cm)
- Maximum single line pull: 15,000 lbs (6,804 kg)
- Brake: 16 × 4½ in. single (40.64 × 11.43 cm)
- Clutch: 11 in. 3 Plate (27.94 cm)
Rotary Table:
- Retractable Hydraulically
- 14 In.
- Spiral Bevel Gears
- Oil Bath Lubrication
- Tapered Roller Bearings Throughout
Opening:
- 7½ in. (19.05 cm)
- 5¼ in. (13.34 cm)
- 8 in. (20.32 cm)
Pulldown:
- Hydraulic Motor Drive
- Two 1½ In. Pitch Chains
- Two-Speed Transmission
- Holdback Feature Optional
- Low gear: 4,600 lbs. per 100 psi hydraulic pressure
- High gear: 2,900 lbs. per 100 psi hydraulic pressure
Mud Pump:
- Chain Drive with Air Clutch
- Failing Model FM-45
- 5 × 6 1/2 in. (12.7 × 14.88 cm)
- Duplex Reciprocating Type Power Pump
Air Compressor:
- Single Screw Design
- 350 CFM @ 215 PSI
Hydrostatic Rotary Drive:
- Fluid Motor Flange-Mounted to A 4-Speed Transmission
Performance:
- Rotary speeds: 0 to 113 RPM
- Rotary torque: 12,000 lb.-ft at Stall
Controls:
- Engineered Design
- Conveniently Grouped at Driller's Station
- Safety Switch
- Engine Starter Button
Mounting:
- Low-Profile Design
- Truck Engine Powers Rig Through Power Take-Off and Sub-Drive Arrangement
Location: