Oil Drilling


Recent Rotary Rig Count May 17th, 2013



AREA
 LAST
COUNT
DATE
COUNT 
CHANGE FROM
PRIOR COUNT 
DATE OF
PRIOR COUNT 
 CHANGE FROM 
LAST YEAR
DATE
OF LAST
 YEARS COUNT 

UNITED STATES 
5/17/13 
1769		 +0
5/10/13
-217
5/18/12

CANADA 
5/17/13		 118
+5
5/10/13
0
5/18/12 

USA OFFSHORE 
5/17/13 
 52		 +2
5/10/13
 +5
5/18/12 

INTERNATIONAL 
04/2013 
1301
 +33
3/2013 
 +123
4/2012 



Drilling Ahead

World Oilfield Forum

August 2010 Blog Posts (7)

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Tangential Method Calculation

The tangential method is the simplest calculation among other directional survey calculations.

Tangential Method Calculation

The tangential method formulas are listed below;…



TTangential Method Calculation formula Continue

Added by Rachain Jetjongjit on August 21, 2010 at 2:00pm — No Comments

What is really going on in Colorado

I have been hearing here and there about Colorado issuing or on track to issue more permits this year than any other year ever. I called my buddy in Greeley to find out what is going on up there and talked to just about everyone I know around and have not heard of that much going on. So are all the oil and gas companies just getting ready and waiting on the elections or what is going on. I have had to go back to ranching and lets just say the wages suck, would love to get back to the rigs.

Added by Ryan Rhoads on August 19, 2010 at 8:30pm — No Comments

Minimum Curvature Method Calculation

The Minimum Curvature Method smooths two straight-line segments of the Balanced Tangential Method by using the Ratio Factor (RF).







The formulas for the Minimum Curvature Method are listed below;







β must be in radians







Where;

MD = Measured Depth between surveys in ft

I1 = Inclination (angle) of upper survey in degrees

I2 = Inclination (angle)… Continue

Added by Rachain Jetjongjit on August 17, 2010 at 10:30pm — No Comments

Balanced Tangential Method Calculation

I have some directional calculations that I've shared with you. However, some of them are not shared yet so I will try to share all directional drilling formulas that may be helpful for you in the future.



Today, I would like to show you about Balanced Tangential Method Calculation. This calculation method… Continue

Added by Rachain Jetjongjit on August 9, 2010 at 3:30pm — No Comments

Lag Time and Its Importance for Well Control Operation

Drilling personnel need to fully understand about the lag time. Lag time is time delay from pressure adjustment made on a choke valve or a choke HCR to show up on the drill pipe pressure gauge.

Does it sound confuse? Let’s me explain more about it. When you adjust a choke position, you will not be able to see changes on the drill pipe gauge right away because drilling fluid is compressible so you need to be patient and wait a little bit until you see the… Continue

Added by Rachain Jetjongjit on August 5, 2010 at 9:30pm — No Comments

For want of a nail, a shoe was lost...



For want of a nail the shoe was lost.

For want of a shoe the horse was lost.

For want of a horse the rider was lost.

For want of a rider the battle was lost.

For want of a battle the kingdom was lost.

And all for the want of a horseshoe nail.



Ancient Proverb



There is practically no field of endeavor that illustrates the truth of this proverb than the drilling industry. From the smallest house well jobs, to the most technically challenging… Continue

Added by Wayne Nash on August 2, 2010 at 4:00pm — 1 Comment

Driller’s Method in Well Control

Driller’s method is one of several methods to kill the well in well control operation. The main idea of driller method is to kill the well with constant bottom hole pressure. The Driller’s Method of well control requires two complete and separate circulations of drilling fluid in the well.…

Continue

Added by Rachain Jetjongjit on August 2, 2010 at 2:00pm — 1 Comment

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