What is a free point tool?
1. n. [Well Workover and Intervention] A wireline tool used to determine the free point on a stuck string. The free-point indicator operates by detecting stretch in the tubular when tension is applied at surface.
How does a free point tool work?
The free-point indicator operates by detecting stretch in the tubular when tension is applied at surface. If stretch is not detected, the string must be stuck above the tool; if stretch is detected, the string is free above the free-point indicator tool.
What is a back off in drilling?
Backing off means separating the free part of the drill string from the stuck part at the threaded connection above the free point. Drill pipe can be unscrewed down hole by exploding charges inside the drill string at a selected connection.
What is pipe recovery in oil and gas?
Pipe recovery is a specific wireline operation used in the oil and gas industry, when the drill string becomes stuck downhole. Pipe recovery is the process by which the location of the stuck pipe is identified, and the free pipe is separated from the stuck pipe either by a backoff or a chemical cut.
How do you find a stuck point?
Calculate the depth of the stuck point: Ds = (D1 – D2) / K (1000 feet). K is the stretch coefficient of the cable, which is listed in the Camesa Catalog, ft/Kft/Klbs. To convert from meters to feet: 1 foot = 0.3048 meters.
What is free point constant?
A calculation used in the stuck pipe calculation to correct for pipe wall thickness and diameter.
How do you take the back off a drill string?
Procedure to Perform Blind Back Off Operation Pick up drill string at 10% over the rotating weight. Apply 50% of make-up torque with left hand turn and lock TDS. Record how many turns. Slowly work string down for 5-10 minutes to transmit surface torque to the bottom.
What is a stuck pipe?
Definition of ‘stuck pipe’ Stuck pipe is a term used for describing a situation in which the drill string cannot be moved up or down or rotated. Stuck pipe is an expensive drilling problem because it usually halts all operations until the pipe is released.
What kind of services does Halliburton do?
Halliburton provides tools and services to deploy many mechanical services like plugs, packers, and other mechanical devices using slickline, electric line, or coiled tubing. Halliburton delivers well intervention solutions on multiple conveyances, reducing the time and resources needed to do downhole work for each.
What kind of pipe cutting tool does Halliburton use?
Halliburton field specialists use solutions made up of bromine trifluoride, cutting the pipe cleanly without flaring at the cut point. Halliburton announces a new portfolio of electro-mechanical downhole cutting tools and tubing punches from Westerton (UK) Ltd.
How does cased hole evaluation work for Halliburton?
Halliburton cased hole logging tools give operators the measurements to optimize reservoir performance and evaluate well integrity. Halliburton expertise and technology make well interventions safe, efficient, and predictable.
How does Halliburton analyze a wellbore leak?
Acoustic analysis tools that pinpoint costly wellbore leaks by analyzing sound waves that describe flow patterns in the formation and casing. The Halliburton EPX™ V accurately pinpoints casing defects and metal corrosion in up to five tubular strings throughout the well.