1) Establish length of 30” casing to be jetted. Paint the top 4m WHITE with 1m spacing bands (in Black) from the Casing head (or other reference point) down the GRA and onto the casing. It is also helpful to likewise paint the bottom 3-4m from the casing shoe (makes observation by the ROV much …
Barite plug use is usually limited to extreme or emergency conditions where it is imperative that some measures be taken to seal off the bottom section of the wellbore. This type of plug is applicable in several situations, including: Objectives of Setting Barite Plugs A Barite plug is a barite slurry pumped down the drill …
Points to be checked before rig acceptance 1. Weld 30” riser (weld two x 3” valves on the bottom of the conductor casing to be used to take a return to the caller if required, check the conductor for any junk inside before welding. 2. Install the cellar jet and function test it (fill the …
Reaming & Backreaming Guidelines Reaming is a high risk operation that accounts for a large proportion of stuck pipe incidents. If reaming operations are conducted too fast, solids from wash-outs and cavings are introduced into the circulating system faster than the hole is being cleaned. This results in a drilling pack off. Do not assume …
Sidetracking for oil wells is drilling a hole around unrecoverable junk, such as a stuck drill string ( Check also Pipe Sticking problem); it is necessary to place a cement plug above the junk at a required depth that will allow sufficient distance to kick off the cement plug and drill around, bypassing, the original …
Our objective is to cover the shut-in procedures for a surface BOP Stack in case of well control issues & to cover A.P.I. recommendations for these procedures, which include advantages and disadvantages. When any positive indications of a kick (also check: Kick warning signs) are observed and a check shows that the well is flowing, …
For a hard shut-in lineup, the choke remains closed at all times other than during a well control operation. The choke line valves are aligned such that a flow path is open to the choking system with the exception of the choke itself and one choke line valve located near the blow-out preventer BOP stack. …
Soft Shut-in Drilling Definition & Lineup Soft shut-in is one of the procedures of closing wells after it gains a kick to its wellbore. For a soft close-in, a choke is left open at all times other than during a well control operation. The choke line valves are aligned such that a flow path is …
Driving Conductor Pipe 30″ CP Driving Procedure Hammering Operations (Final Refusal Depth) Drilling Operations Drilling Casing Flotation Equipment With PDC Bits General Drilling Guidelines Drilling Problems and Proposed Precautionary Measures Mud Motor operations Drilling Bits PDC Bit Drilling Parameters Running PDC Bit Drill Off Test Operating Procedures For Roller Cone Bits Casing Running and Cementing …
The liner hanger system is installed at the top of the casing liner (One of Types Of Casing). The function of the liner hanger is to hang and suspend the liner. There are mechanical liner hanger and hydraulic set hangers. In this article, we will provide detailed steps for Liner Hanger Setting & Cementing Procedures. …