American Oil and Gas Reporter - August 2015 - 50

SpecialReport: Horizontal Well Operations
FIGURE 2

FIGURE 1
3-D View of Four Eagle Ford Wells

Vertical Section of Well 3 (ADP)

True Vertical Depth (1,000 ft/in)

9,000

Drop 1°/100'

9,500

Anacacho

KOP 8°/100'
Austin

10,000

the buckling calculation.
Given the tapered geometry and lower
material hardness, some relatively minor
handling modifications should be made

PBHL

PP/FTP
EOC Hold Inc & Azm

10,500
11,000

Target Line: 10,702' TVD @ 0' VS with 3.5° Up-dip

Eagle Ford "Ash"

0

500

1,000

1,500

2,000

2,500 3,000 3,500 4,000 4,500
Vertical Section at 309.08° (1,000 ft/in)

relative to normal rig operations. The
first, and most critical, is to provide for
tapered and nonmarking slip dies to
allow a larger and more consistent area
of contact between the slip and pipe.
This reduces stress concentrations and
the potential for imparting stress-concentrating deformations in the aluminum
pipe body.
The second key consideration is for a

5,000

5,500

6,000

6,500

slight relief of the elevator bushings to
accommodate the larger outside diameter
of the tapered ADP profile near the tool
joint shoulder. In addition, soft spacers,
soft slings, modified lifting elevators or
lifting caps should be used to minimize
aggressive contact between steel surfaces
and the softer aluminum pipe body.
It should be noted that ADP does have
temperature and corrosion operating limits.

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American Oil and Gas Reporter - August 2015

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