- Industry: Oil & gas
- Number of terms: 8814
- Number of blossaries: 0
- Company Profile:
A downhole tool used to pull or retrieve temporary plugs or similar equipment. The internal pulling tool engages on the internal surfaces of the item to be retrieved.
Industry:Oil & gas
A downhole tool used to plug the bottom of a production tubing string when pressure testing the assembled string. Slickline-deployed tools and plugs are most commonly used in vertical or slightly deviated wellbores.
Industry:Oil & gas
A downhole tool used to locate or convey a downhole gauge. Recorder carriers may be incorporated into temporary completions, such as for testing purposes, or run on slickline for temporary placement within the wellbore. In some cases, permanent gauges may be installed in recorder carriers run as completion components.
Industry:Oil & gas
A downhole tool used to cut tubing or similar tubulars that have become stuck in the wellbore. The external cutter slips over the fish or tubing to be cut. Special hardened metal-cutters on the inside of the tool engage on the external surfaces of the fish. External cutters are generally used to remove the topmost, possibly damaged, portion of a fish to enable an overshot, or similar fishing tools, to engage on an undamaged surface.
Industry:Oil & gas
A downhole tool used to confirm or correlate treatment depth using known reference points on the casing string. The casing collar locator is an electric logging tool that detects the magnetic anomaly caused by the relatively high mass of the casing collar. A signal is transmitted to surface equipment that provides a screen display and printed log enabling the output to be correlated with previous logs and known casing features such as pup joints installed for correlation purposes.
Industry:Oil & gas
A downhole tool used to cut slickline from a tool string that is stuck or jammed in a wellbore. The wireline cutter is attached to the slickline at surface and dropped down the wellbore. When the cutting tool impacts the tool string, a cutting mechanism cuts the slickline and enables recovery of the line in preparation for further fishing operations.
Industry:Oil & gas
A downhole tool used on slickline or coiled tubing operations to identify the end of the production tubing, or similar well features. This information is used to correlate the position of the tool string for accurate placement of depth-critical treatments, plugs or downhole equipment.
Industry:Oil & gas
A downhole tool used on slickline operations. The tubular jar is a relatively simple mechanical jar that is extended or collapsed by manipulation of the slickline at surface. The impact force delivered by the jar depends on the weight of the tool string above the jar, the density of the wellbore fluid and the stroke length of the jar.
Industry:Oil & gas
A downhole tool used on slickline operations conducted on a deviated wellbore to provide additional mass to the tool string. Incorporated in the assembly, rollers reduce the friction encountered as the roller stem is run along the wellbore. This, together with the additional mass, helps achieve deeper slickline penetration of deviated wellbores.
Industry:Oil & gas
A downhole tool used in fishing operations to engage on the outside surface of a tube or tool. A grapple, or similar slip mechanism, on the overshot grips the fish, allowing application of tensile force and jarring action. If the fish cannot be removed, a release system within the overshot allows the overshot to be disengaged and retrieved.
Industry:Oil & gas
