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Sperry Drilling, a Halliburton business, has announced the release of JetPulse high-speed telemetry service, which provides consistent, high-data rate transmission of drilling and formation evaluation measurements. According to the company, this new telemetry system helps operators make faster decisions to optimize well placement and improve well control while increasing drilling efficiency.
High-Speed Telemetry service helps maximize rate of penetration
The JetPulse service transmits downhole data consistently over wide depth ranges and complex well trajectories with physical data rates up to 18 bits-per-second. Halliburton says it provides the highest lost 
circulation material (LCM) tolerance of any high-speed telemetry system, helping the operator pump the required LCM concentration to cure mud losses without changing or plugging the bottom hole assembly. The system also reduces flat time on the drilling curve, maximizes rate of penetration and optimizes reservoir contact by combining new telemetry technology with measurement/logging-while-drilling (M/LWD) services. This allows operators to make earlier and effective decisions to drill long sections in a single run.
The service also includes JetPack 3D downhole data management, which compresses and configures multiple data sets in one package, giving effective data rates of more than 140 bits-per-second so operators can get the right data while drilling for enhanced decision-making.
An operator in Asia recently deployed JetPulse where there was high formation pressure in the zone above the targeted reservoir section and a high overbalance in the production zone. The operator needed frequent updates of pressure-while-drilling (PWD) data to quickly adjust drilling parameters and equivalent mud weight or equivalent circulating density to avoid unwanted fracturing and/or getting differentially stuck.
Telemetry service helps reduce NPT
JetPulse provided the pressure data needed, helping the operator anticipate potential challenges and react to the dynamic drilling environment before any non-productive time (NPT) could occur. The operator reached the production zone within budget and without fracturing the well or allowing the entry of unwanted formation fluid. In addition, JetPulse delivered the fastest mud pulse transmission rates for this operator in this region.