AGU Town Hall Meeting

Drilling in the Earths Continental Crust: Research Accomplishments and Opportunities

33rd International Geological Congress
5–14 August 2008
Oslo, Norway

IRIS Real-Time Earthquake Map

GLAD800 Rig Specifications

The GLAD800 is a complete drilling system that includes a drill rig, drill rods and riser pipe, down-hole tools, inventory and machine shop, and facilities for preliminary core description and storage. The system can be transported in standard 20-foot containers. 

Below are the Specifications for the Drilling Rig Components:

• Depth Capacity Coring (Wireline or Conventional)
• Hoisting Capacity
• Feed System
• Power Pack
• Hydraulic System
• Drillhead and Spindle Speeds
• Chuck Assembly
• Weight
• Standard Equipment
• Mud Pump Hydraulic Drive - Standard Equipment
• Control Console
• Support Equipment
• Instrumentation
• Accessories

Depth Capacity Coring (Wireline or Conventional)

HMQ Wireline 1200 m

DLS Wireline  800 m

Hoisting Capacity

Main

Capacity: Single Line-Bare Drum 17,500 lb (7955 kg)

Double Line-Bare Drum 35,000 lb (15,900 kg)

Line Speeds: Bare Drum 132 ft/min (40 m/min)

Cable Size: 110 ft (33.6 m) X 3/4 in (19.0 mm)

 Wireline

Capacity: Single Line-Bare Drum 2,500 lb (1,136 kg)

Single Line-Full Drum 840 lb (382 kg)

Line Speed: Bare Drum 390 ft/min (119 m/min)

Line Speed: Full Drum 1,260 ft/min (984 m/min)

Cable Size: 4000 ft (975 m) X 1/4 in (6.3 mm)

 Feed System

Feed Travel: 11.5 ft (3.5m)

Feed Speeds: Fast and Slow with Variable control

Thrust: 15,000 lb (6800 kg)

Pull: 30,000 lb (13,600 kg)

Power Unit

Mfg: 1 each Cummins

Power: 175 hp (196 KW)

RPM: 1,800

Engine Type: 6 cyl. Diesel Turbocharged/after cooled c/w clutch

Cooling: Water

Hydraulic System

Primary Pump: 3,500 psi - 45.6 gpm (24.3 MPa - 173 lpm)

Secondary Pump: 1,500 psi - 12.5 gpm (10.3 MPa - 47.3 lpm)

Auxilary Pump: 3,000 psi - 13.4 gpm (20.8 MPa - 50.7 lpm)

Drillhead and Spindle Speeds

Power: Hydraulic Motor - Variable speed/reversible

Final Drive: HV Chain drive in oil bath - 2.5 ratio

Spindle: 4-5/8 in (117 mm)

Spindle Speeds:

  Gear      Ratio Speed (rpm)    Torque, ft lb (nm) 

1st  6.63:1    130-195      3,2232-2,218 (4,382-3,007)

2nd  3.17:1    270-410      1,545-1,060 (2,095-1,437)

3rd  1.72:1    500-756       839-575 (1,138-780)

4th  1.00:1     867-1,300      468-335 (662-454)

Speed Control: Manual Control from Operator's Station

Hinged Head: Swing Away

Chuck Assembly

Type: Hydraulic Open, Spring Closed

Maximum Inside Diameter: 4-5/8 in (117 mm)

Holding Capacity: 40,000 lb (18,181 kg)

Weight

Rig Weight: 14,000 lb (6,363 kg)

Recommended Truck GVW: 32,000 lbs (14,545 kg)

Standard Equipment

Dump Mast

Derrick in Two Sections

Wireline Speed Control

Foot Clamp 4-5/8 in (117 mm)

Hydraulic Slide Control Panel

Hydraulic Rod Centralizer

Hydraulic Oil Reservoir Fill Pump and Filtration

Additional Fuel Filter and Water Separator

Four Hydraulic Jacks 24 in Stroke

Mud Pump Hydraulic Driven - Standard Equipment

Type: FMC L11 22D

Max Flow: 72 gpm (272 lpm)

Max. Pressure: 1000 psi (7 MPa) F

Control Console

Electronic Control for all coring functions

Skid mounted for rig floor placement

Enclosed air-conditioned doghouse

Support Equipment

Shop Container

• Hand and Power Tools
• Hydraulic Hose Crimper
• Lighting and power distribution

Parts Container with Inventory

2,000 gallon (7,600 liter) batch cementing unit, hydraulically-driven

Instrumentation

Digital display and recording

Wireline counter, rate and weight indicator

Hook load and weight on bit indicator

Rotation speed

Mud pump pressure and rate

Hydraulic feed pressure

Drill head position and feed rate

Accessories

Cavins model C air slips

Eckels 4.5 in (11.43 cm) hydraulic tubing tongs

Hydraulic power for remote 12 HP mud mixer available