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How to Select a Scientific Calculator for Oilfield Personnel
Working in the oilfield, you need a scientific calculator to help you solve problems with complex formulas. As you learn from this website, drillingformulas.com, you really need a scientific calculator...
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LeNorman Ruth 87-2H Fracking Accident – Hemphill County, TX
I’ve got this email from my friend. The bad incident was happened in Hemphill County TX (LeNorman Ruth 87-2H Fracking Accident). I would like to share in order to raise awareness of safety in the...
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Drill Pipe Elongation Due to Temperature
Drill pipe elongation will occur because the higher bottom hole temperature. Rule of Thumb Pipe will elongate approximately 0.83 inc per 100 ft of length, per 100 degree F increase in Temperature. We...
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Understand More about Pipe Rams, Variable Bore Rams and Shear Rams
I would like to share these 3 VDO’s demonstrating how Pipe Rams, Variable Bore Rams and Shear Rams work. This eliminate confusion when the new people in the oilfield read and try to understand about...
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IADC Drilling Manual
IADC Drilling Manual ebook version is one of the best drilling manuals. More than 1400 pages in this ebook provide you various topics in drilling. There are a total of 22 chapter sorted in alphabetical...
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Types of Drilling Rigs (Both Offshore and Onshore) – Cartoon Version
We would like to present some drilling knowledge in the new form. Therefore, this time we’ve created the cartoon in the topic of Types of Drilling Rigs (Both Offshore and Onshore). Please feel free to...
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Kick Tolerance Concept and Calculation for Well Design
Kick tolerance is the maximum gas volume for a given degree of underbalance which the circulation can be performed without exceeding the weakest formation in the wellbore. This article is the extended...
View ArticleBlowout – Oilfield Disaster That You Need to See
These are some footage showing some oil drilling rigs were blown out and got fired. I would like to share these VDO clips to raise awareness of well control. Oil Rig Blowout Chesapeake Energy Nomac Rig...
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Learn About Drill Pipe Float Valve
A drill pipe float valve is a check valve installed in the drill stem that allows mud to be pumped down but prevents flow back up. There are two types of float valves which are flapper type and plunger...
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Drill Collar Weight Calculation To Prevent Drill Pipe Buckling
Drill collar provides weight to the bit for drilling and keep the drill string from buckling. Additionally, drill pipe should not run in compression because it can get seriously damaged therefore we...
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Margin of Overpull in Drillstring
Margin of overpull is additional tension to be applied when pulling the stuck drill string without breaking the tensile limit of the drill string. This is the difference between maximum allowable...
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Fishing Drill Pipe Procedure – Screw in Drill Pipe
Sometimes drillpipe is accidentally dropped into the well and you need to fish it out of the well. One easy option that may be feasible to perform is to use a drill string to screw into the drill pipe...
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Mechanical Blind Back Off Drill String and Tubular
Mechanical blind back off is the procedure to intentionally break out stuck drill string by applying left hand torque and transmitting down hole. This is the last method to recover drill string because...
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Free Promotion Download Well Control Quiz Book: Kick Detection (Warning Sign)...
We would like to have a free download promotion for our Kindle well control book “Kick Detection (Warning Sign) and Shut In” which is the interactive quiz book running on kindle. This promotion will be...
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Riser Margin – One of Important Concepts For Deep Water Drilling
Riser margin in the mud weight increase below mud line to compensate bottom hole pressure in case of an accident disconnect or a failure marine riser close to the BOP stack at sea bed. The riser margin...
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Hercules Jackup Rig 265 Blows Out In Gulf Of Mexico and 44 People Evaculated
This is very bad news “ Hercules Jackup Rig 265 Blows Out In Gulf Of Mexico and 44 People Evaculated”. The details that I gather from several sources on the internet. This is the reason why well...
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Hydrostatic Pressure Calculation Online (Metric Unit)
The form below is for calculating hydrostatic pressure in metric unit. Basic information for hydrostatic pressure Hydrostatic pressure calculation Any comments are welcome.
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More News Update: Fire subsides after Hercules 265 partially collapses
I’ve collected several sources of Hercules 265 Blows Out. You can read the update here. CIMB: Fire subsides after gulf rig partially collapses A Gulf of Mexico drilling rig partially collapsed off...
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Drillstring Elongation Due To a Tensile Load
When a tensile load is applied into a drillstring, it results in elongation of the drillstring. The formula to determine pipe elongation is listed below; Oilfield unit e = (L x T) ÷ (735,000 x W)...
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BP’s $1Billion Battle On ‘Absurd’ Oil Rig Blast Claims As Total Bill For...
BP is to appeal $1billion of compensation payments for its Gulf of Mexico oil spill, after lashing out at ‘absurd’ claims by US law firms cashing in on the disaster. The British oil giant yesterday...
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