This post provides aditional information and more detail to fluids intermixing in Liner Cementing and rheology in primary cementing What are the concecuences? Poor Cement Log Evaluation. –Cement log evaluation showing poor cement in Liner jobs (typically 7” or less) more commonly ranging 3,000 to 4,500 mts depth and/or with cement slurry volumes ranging 30 to […]
Rheology: the key to cement coverage
One of the most important things we, as cementers, must understand is rheology. In our line of business, Rheology is the key to cement coverage and zonal isolation; the solely goal of well cementing. However, as simple as this true can be, it is amazing how easily it is underestimated and sometimes totally ignored in […]
What is expected in a well cementing proposal?
Job objectives: the main aims or goals of the cement job. Background information: the major challenges and concerns. Especially any adverse experience on offset wells, best practices and lessons learned. The job method and design, e.g., 2 stage, inner string, top and bottom plug, reverse circulation, TOC, WOC, etc. How is the job method allowing […]
Primary Cementing Check List (Customer)
Now your are the person in charge of well construction operations. It is night and the company man is resting (contrary to “normal” people, a co-man needs noise to properly rest, because noise means that “all is working”). As a Junior or Night Wellsite leader you have done and seen this many times, but still […]
Why wiper plugs don’t bump?
Everybody knows why bumping the top plug at the end of the displacement is an important element of each successful primary cement job. It ensures only the shoe track is left with cement; and allows pressure testing the casing First of all, a couple of questions for you: What is the reason for a shoe […]
Cement Calculations (TEST)
Cheers L. Diaz DOWNLOAD Primary Cementing Calculation TEST
Recent Comments