The dotted lines shown in
The dotted lines shown in
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2878754 | McMurry | Mar 1959 | A |
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2970547 | McMurry | Feb 1961 | A |
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3304874 | Ray | Feb 1967 | A |
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3508428 | Matson | Apr 1970 | A |
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4211279 | Isaacks | Jul 1980 | A |
4239458 | Yeatts | Dec 1980 | A |
4440229 | Burch | Apr 1984 | A |
4502843 | Martin | Mar 1985 | A |
4531891 | Coles, III | Jul 1985 | A |
4571162 | Knox | Feb 1986 | A |
4629004 | Griffin | Dec 1986 | A |
4782896 | Witten | Nov 1988 | A |
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5218763 | Marker et al. | Jun 1993 | A |
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5427504 | Dinning et al. | Jun 1995 | A |
5868384 | Anderson | Feb 1999 | A |
6045335 | Dinning | Apr 2000 | A |
6148923 | Casey | Nov 2000 | A |
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6209637 | Wells | Apr 2001 | B1 |
6234770 | Ridley et al. | May 2001 | B1 |
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20060024928 | Seebauer et al. | Feb 2006 | A1 |
20060054329 | Chisholm | Mar 2006 | A1 |
20060113072 | Lee | Jun 2006 | A1 |
20060124292 | Victor | Jun 2006 | A1 |
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20060185853 | Bender | Aug 2006 | A1 |
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20070110541 | Rawlins et al. | May 2007 | A1 |
20070124919 | Probst | Jun 2007 | A1 |
20070151738 | Giacomino | Jul 2007 | A1 |
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Number | Date | Country |
---|---|---|
2428618 | Nov 2004 | CA |
2635993 | Dec 2009 | CA |
2763511 | Jan 2011 | CA |
2791489 | Dec 2012 | CA |
2085572 | Aug 2009 | EP |
1458906 | Dec 1976 | GB |
Entry |
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Bal-Seal, Bal Springtm Canted Coil Springs for Mehcanical Applications, product website, 3 pages, www.balseal.com/mechanical. |
Lufkin, Plunger lift; Bumper Springs website, 2 pages, © 2013 Lufkin Industries, LLC www.lufkin.com. |
Weatherford, Plunger Lift Systems brochure, 4 pages; © 2005 Weatherford www.weatherford.com. |
HPAlloys Website printout or Monel K500 (2004). |
Lufkin, Lufkin Well Manager Controller For Rod Lift Systems; website, https://www.bhge.com/upstream/production-optimization/artificial-lift/artificial-lift-power-controls-and-automation. |
Smalley Steel Ring Company; Constant Section Rings (Snap Rings); product brochure (website); 3 pages www.smalley.com/reatining/rings/constant-section-rings. |