Xtreme has pioneered the deep reach coiled tubing market with 2 5/8 inch diameter coiled tubing, AC electric injectors and proprietary software control.
The company offers some of the deepest-reach coiled tubing service units in the world.
The coil should not be too soft so that its form is not distorted easily during handling, particularly as the pot is coiled, or too hard so that joining of coils upon one another becomes difficult.
The simplest and most conventional method of building with coils is to lay them concentrically one after the other, but where the laying of coils goes beyond this, as is the case with integrated coiled pottery, coiling technique becomes rather complex.
Coiled PA-11 pipe requires a straightener/rerounder for installation because the pipe takes a set on the coil after extrusion.
The April 2003 Nashville Gas installation was the first use of coiled PA-11 pipe.
Wilson developed the PairCoil computer program to identify two-strand coiled coils by looking for correlations between pairs of amino acids.
To include three-strand coiled coils, the PairCoil motif-recognition program evolved into the more versatile MultiCoil version.
At this time, about 50 percent of 3-inch pipe sold is coiled
. The percentages drop to about 15 percent for 4-inch and as low as 5 percent for 6-inch.
It was common to learn that while the crews installed three to five times as much coiled
pipe in a day as they did straight pipe, it was not possible to reliably determine the true cost/benefit ratio.
The new work also clarifies the atomic nature of so-called leucine zippers stretches of amino acids that bind two proteins into two-molecule complexes called dimers, which regulate gene activity Confirmation that leucine zippers are actually coiled
coils will help scientists understand how these proteins regulate the on-and-off switching of genes, comments Steven L.