The Fishing spear is a tapered down hole fishing tool that is designed to cut a thread into in inside bore of the rotary drilling tubular.
What are fishing tools?
Fishing tackle is the equipment used by anglers when fishing. Almost any equipment or gear used for fishing can be called fishing tackle. Some examples are hooks, lines, sinkers, floats, rods, reels, baits, lures, spears, nets, gaffs, traps, waders and tackle boxes.
What is fishing tools in drilling?
Fishing (in the oilfield sense) refers to the recovery of unwanted material left in the wellbore. Numerous situations can occur that require fishing: Items dropped into the hole from the rig floor. Failure of surface equipment, especially pumps, which allows the hole to cave in and stick the drill string.
What are fishing tools in oil and gas?
A general term for special mechanical devices used to aid the recovery of equipment lost downhole. These devices generally fall into four classes: diagnostic, inside grappling, outside grappling, and force intensifiers or jars.
What is casing spear?
Description. The HOC Casing Spear is used for internally catching and retrieving an assortment of casing sizes. Our casing spear uses only one moving part – the grapple. The mandrel has a special double taper that allows 100% of the grapple’s wicker surface to contact the internal wall of the casing.
What is a fish hook called?
Hook points are commonly referred to by these names: needle point, rolled-in, hollow, spear, beak, mini-barb, semi-dropped and knife edge. Some other hook point names are used for branding by manufacturers.
What are simple fishing tools?
SIMPLE FISHING TOOLS
- Fishing spear and harpoons.
- Fishing trap or cages.
- Fishing hook.
- Fishing net.
- Electric stunning.
- Fishing spear: This is one of the earlier tools used to catch fish. It is made of metals with sharp pointed head. It has a wooden handle.
What is fishing in oilfield?
1. n. [Well Workover and Intervention] The application of tools, equipment and techniques for the removal of junk, debris or fish from a wellbore.
What is down hole fishing?
Fishing tools used to mill or cut objects downhole for a specific reason. Whether you are milling up a fish that could not be retrieved to surface, cutting casing or tubing in an intervention operation, or performing a washing over procedure, NOV Downhole has the tools for the job. Remedial and Repair.
What is differential sticking in drilling?
Differential-pressure pipe sticking occurs when a portion of the drillstring becomes embedded in a mudcake (an impermeable film of fine solids) that forms on the wall of a permeable formation during drilling.
How do you release Itco spear?
To Release from the Fish
If the spear will not pull from the fish, bump down; then simultaneously rotate to the right and slowly elevate the fishing string until the spear is clear of the fish.
What equipment do you need for spearfishing?
What will I need to get started in spearfishing?
- Speargun. It is important to invest in a speargun that is suited to your needs. …
- Fins. …
- Mask. …
- Snorkel. …
- Float, flag and float line. …
- Knife. …
- Wetsuit. …
- Weight belt and weights.
What is spear?
Spear, a pole weapon with a sharp point, either thrown or thrust at an enemy or prey. It appears in an infinite variety of forms in societies around the world. Spear.