Formation Tester While Drilling (FTD) service makes accurate measurements that provide direct pore pressure and mobility data for fluid typing, reservoir pressure management, and mud‑weight control and optimization. It achieves time savings through a focus on operational efficiency and measurement versatility, accuracy, and quality.

Features

• Provides formation pressure in drilling environment
• Provides direct pore pressure and mobility data for fluid typing and mud‑weight optimization
• Used in any hole orientation—vertical or deviated
• Optimizes pretest volume and drawdown to formation characteristics
• Real‑time measurements with quality control indicators

Specifications

		4.75 in.	6.75 in.
Tool Design
Measurement Type		Probe pretest
Pressure Gauges		High‑precision quartz and strain
Power Supplies		Battery, MWD turbine power
Measurement Specifications
Probe Dimensions		1.75 in. (44.45 mm) OD 0.44 in. (11.18 mm ) ID	2.25 in. (57.15 mm) OD 0.56 in. (14.22 mm ) ID
Pretest	Volume	0 to 25 cm³, fully adjustable
	Drawdown Rate	0.1 to 2.0 cm³/s
	Delta Pressure	6,000 psi (41 MPa)	>6,000 psi (>41 MPa)
Setting Piston Diameter Reach		1.38 in. (35.05 mm)more than tool OD	2.00 in. (50.00 mm)more than tool OD
Memory Capacity		Up to 120 pretests depending on time downhole	80 pretests of 5 min. duration
Battery Capacity		150 pretests1 cm³/s at 3,200 psi (22 MPa) drawdown at 275 °F (125 °C)
General Specifications
Tool Max. O.D.		4.82 in. (122.43 mm) 5.75 in. (146.05 mm) 5.5 in. (139.7 mm) optional	8.25 in. (209.6 mm) 9.25 in. (234.95 mm)with optional collar
Tool Length		40.2 ft. (12.3 m)	31 ft. (9.45 m)
Weight		2,000 lbm (907 kg)	2,866 lbm (1,300 kg)
Thread Connections		GT4 box up/GT4 box down	GT6 box up/GT6 box down
Operating Temperature		300 °F (150 °C)
Mechanical Specifications
Max. Dogleg Severity‑Rotary Mode		15°/100 ft. (15°/30 m)	8°/100 ft. (8°/30 m)
Max. Dogleg Severity‑Sliding Mode		30°/100 ft. (30°/30 m)	16°/100 ft. (16°/30 m)
Axial And Lateral Shocks		10g rms
Hydraulics
Max. External Pressure		20,000 psi (138 MPa)
Flow Range		0 to 400 galUS/min.(0 to 1,514 L/min.)	0 to 800 galUS/min.(3,028 L/min) (standard)

Applications

• Optimization of mud weight
• Selection of optimal case
• Estimation of reserves
• Identification of fluids and their contacts.
• Reservoir model refinement
• Well placement

Benefits

• Mitigates risk through reservoir pressure management.
• Improves prediction of reserves using fluid typing.
• Enhances drilling performance through optimal mud weight.
• Saves time and cost by eliminating need for tool orientation.

Formation Tester While Drilling (FTD) service makes accurate measurements that provide direct pore pressure and mobility data for fluid typing, reservoir pressure management, and mud‑weight control and optimization. It achieves time savings through a focus on operational efficiency and measurement versatility, accuracy, and quality.