When calculating cement displacement consider very cold weather as the efficiency of the mud pumps will be reduced under these conditions. Drilling Contractor to provide an air heater to blow under the cement units before and during the cement operations to ensure no freezing in the cold weather. Ensure that heater is on location and … Cold Weather Operations Checklist

Pre-cutting of core Check that the inside of the core barrel is clear of manufacturing or any other residue. Ensure adequate stock of coring consumables are available, plus cradles, saw etc for laydown Hold meeting with geologist, core hand and TP to confirm procedures Before dropping the ball insure that there is no restriction in … Coring Checklist

Remove casing hanger running tool by rotating to the right (approx 14 turns). Change out bail arms on top drive. RIH one joint of drill pipe. Clean out BOP and wellhead area. POOH RIH with KIOS flushing tool and jet on top of the casing hanger neck. Clean out wellhead. POOH. RIH setting tool and … 9 5/8″ Wellhead and BOP Operations Checklist

After cementing operation on the 13 3/8″ section.  Do not attempt to back out the landing joint to let fluid out. The normal procedures consist of cutting two holes and letting the fluid drain and then proceed with cutting the casing.       Rough cut 13 3/8” casing.  Refer to the manufacturer installation procedures. Remove landing joint … 13 3/8” Casing – Wellhead and BOP Operations – Best Practices

To prevent diferential sticking, Strict attention should be paid to drilling practices at all times whilst in open hole. Hold toolbox meetings with all crews including mud engineer and mud logging engineer to discuss differential sticking and the action to be taken to avoid it.  Holld meetings before starting the interval and a refresher whilst … Differential Sticking – Best Practices

Analyse logging and survey data from original hole Select base of higher ROP interval as sidetrack point (probable over gauge hole overlying gauge hole) Sidetrack point with inclination or dog-leg in original hole will be advantageous Optimise cement slurry recipe (potential for gas cut) Confirm cement quality by drill off test BHA for first attempt … Sidetracking Best Practices

Operations Engineer to organise pre-job meeting at the rig site with rig and office personnel to discuss the job objective and hazards. Pictorials to be prepared and discussed during pre-job meeting so it can be followed during rigging up. When MRX logging is required, ensure that two units available on location prior to starting the … Logging Operations Best Practices

Operations Engineer to organise pre-job planning meeting at the rig site, with rig and office personnel to discuss the job objective and hazards. Sections are picked up in 30-foot lengths, so the steps outlined should be multiplied for a given core barrel length. Check if hole conditions allow run 81 meter core barrel. Do not … Coring Preparation Checklist/ Best Practices

1. Preparation The Drilling Supervisor shall approve and provide written instructions to the Contractor Toolpusher prior to any trip out of the hole. These instructions shall include the: sequence of operations  i.e. flow check, circulate bottoms up, drop survey, etc. maximum allowed overpull procedures if tight hole is encountered maximum running/pulling speeds preparation of equipment … Tripping Operations – Best Practices

This checklist is primarily concerned with the engineering design of the well.  It is not intended to be a project planning tool covering different well, rig and time related activities such as the submission of the operational information to all the necessary regulatory authorities. It is to be completed concurrently with the compilation of the … Well Planning Checklist