More fatalities occur during free point indication/ backoff than during any other wire-line operation except perforating. In Free Point Indication/ Backoff  (FPI/ BO) operations, the travelling block is required for working the drill pipe and consequently the upper sheave has to be installed in the certified, permanent upper sheave support in the Drilling Mast. Precautions such as … Free Point Indication/ Backoff (FPI/ BO)

This article discusses perforating casing with the use of wireline for: carrying out remedial casing cementing, by squeezing through perforations and for monitoring of (formation) pressures behind the casing. 1  Casing perforation A meeting should be held prior to rigging up for perforation, with the following staff present: Logging Engineer/ Well Site Geologist Well Service … Wireline Logging – Perforation

This article provides cable and weak strength for Schlumberger and Baker Atlas Logging Cables And Weak Points – Schlumberger CABLE DIAMETER        WT/FT   BREAK. STRAIN (INS.)                            (LBS)                (LBS) _______________________________________________ 7 – 46    15/32″               0.330                16,000 7 – 46V  15/32″               0.330                16,700 1 – 22    7/32″                0.080                5,100   CABLE WEAK                       BREAKING STRAIN POINTS                                                … Logging Cables and Weak Points

The implementation of the wire line logging programme at the well site is carried out by specialist contractors under the supervision of the Drilling Supervisor, although these responsibilities can be delegated to the Rig Drilling Engineer or the Well Site Geologist. The responsibilities of the well site personnel are identified below. The scope of electric … Organisation and Responsibilities during Wireline Operations

Bore Hole Compensated Sonic              BHC Bridge Plug Setting                                 BP Calliper                                                  CAL Calliper (Thru-Tubing)                           TTC Cement Bond Logging                           CBL Variable Density Logging                       CBL-VD Cement Dump Bailer                              DB Combination Production Logging           PCT Compensated Neutron Log                    CNL Customer Instrument Service                  CIS Depth Determination                              DD Dipmeter (High Resolution)                    HDT Bore Hole Geometry Tool                      BGT Dual Induction Laterolog                        DIL … Acronyms logging tools – Schlumberger

The following equipment should be available for stripping over a logging cable: Loggers fishing kit (to be supplied by Logging Contractor). Additional tension meter with cable tension readout for the Driller. 90 m of ¼” rope to control the run of cable going over the top sheave. 30 m of ½” rope to hold the … Stripping Over Electric Logging Cable