Drilling Fluid
Losses

TGT’s Well Integrity Platform is being built to address the ever changing oil and gas market and its need for high quality services. Our range of memory logging services addresses the full well lifecycle and provides operators with tool packages to assist in the critical decision making process of well optimisation. Applications include: fluid breakthrough identification, injection and production profiling, stimulation and fracture flow evaluation and formation pressure determination behind multiple casings.

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Spectral Fluid
Losses (SPEC-FL*)

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Concept

Drilling fluid losses are undesired drilling events, which complicate well control, cementing jobs and completion operations. Curing mud, cement or completion fluid losses is time-consuming and increases the well cost dramatically. TGT's Spectral Fluid Losses services (SPEC-FL*) locate the loss circulation zone, so our Customers can optimise mud weight, drilling hydraulics and other parameters to regain well control. The Spectral Fluid Losses (SPEC-FL*) utilises passive high-definition spectral noise logging (SNL-HD*) combined with a high-precision temperature (HPT) tool to detect fluid movement from the borehole into the formation.

Hardware & software tools

Parameter	Specification
Pressure Range	1.5 - 8700 psi (0.01 - 60 MPa)
Pressure Relative Error	0.01%
Pressure Resolution	0.15 psi (0.001 MPa)
Temperature Range	32 - 305 °F (0 - 150 °C)
Temperature Accuracy	0.18 °F (0.1 °C)
Temperature Resolution	0.0018 °F (0.001 °C)
Power Source	Single AA lithium battery
Interface	USB
Data Set	Time/Pressure/Temperature
Memory Capacity	500,000 data points (1,000,000 optional)
Sample Rate	0.5 sec - 10 hours
OD	1¹/₁₆ in (27 mm)
Length	15.7 in (400 mm)
Casing Material	Stainless steel

Flyers

Well Integrity Platform - Drilling fluid losses

SPE Papers

Spectral Noise Logging Data Processing Technology (SPE-162081-MS)