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Oil Field Engines & Related Equipment

Capped wells / stripper wells


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  #21  
Old 03-24-2007, 10:15:35 PM
Patrick McNallen Patrick McNallen is offline
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Default Re: capped wells/stripper wells

Larger size pump jacks seem to be in short supply. Old units are being rebuilt and good used ones command a high price. China is getting into the pump jack business.
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  #22  
Old 04-07-2007, 07:33:07 PM
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Default Re: capped wells/stripper wells

Interesting Posts, I pumped stripper wells in south eastern Ohio for 14 years and still interested in the oil patch. Westerman companies are located in Bremen where I live and are doing very well building oil field equipment.
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  #23  
Old 01-03-2010, 11:36:45 PM
Peterpiper Peterpiper is offline
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Default Re: capped wells/stripper wells

I see this thread is almost 3 years old so I am not sure if SmokStak notifies folks of posts. But this thread is very interesting. I joined SmokStak because in due course we are going to need equipment and older stuff is probably better for our purposes. I am exploring the potential of a new chemical technology for cracking hydrocarbons in the ground. This is a foreign technology so doing a proper evaluation is time consuming, but we are doing it and so far we are encouraged. This would allow us to open old capped wells since the technology deals with parafin as well as other forms of hydrocarbons. If it works I think the folks on this thread might give me a bit of guidance. In short are there brokers for old wells? Are there any particularly good areas? PA? TX? OH? SoCal? I think rather than fight over wells that are capped at 50% and marketable, we probably would rather have wells that really haven't any economically productive capability with current technology. Are there crews who specialize in this? I imagine most of these old fields dried up so long ago that there are not many folks around who can work in this area. Any thoughts appreciated.
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  #24  
Old 01-04-2010, 09:17:32 AM
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Randy Hart Randy Hart is offline
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Default Re: Capped wells / stripper wells

Hello, I'm not in the oil business but have been involved with several closed wells. Many times if the well plays out the lease holder will shut it down as a non productive well.. In some cases stop paying the land owner the yearly lease or in the case of the well owner/ mineral rights owner, just step back from it for whatever reason. Many low pressure/ low CFM wells won't build enough pressure.. This makes it hard to get their gas into a higher pressure pipe line. This is when a compressor unit comes in to play.. The compressor pushes the pressure up to above line pressure and allows the well owner to sell gas. If the unit price is high enough it can be a very good move to buy the equipment to do this.

Check the oil and gas assn. for members who have production wells and contact them for info on their low or dead well list. If the lease has been let go it may be hard to find those who are not current and on recored without their help.
My uncle has a well in Southern Ohio that was drilled in the 20's and holds a solid 150 lbs with a good bailing every 3-4 months. His was just a pipe with a cap on it when he bought the farm in the 50's with no mention of it on his deed as to who had owned the lease. Good luck in your research! Randy
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  #25  
Old 01-05-2010, 05:16:29 PM
elkrott elkrott is offline
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Default Re: Capped wells / stripper wells

Some of the old oilwells near Rixford PA that were drilled in the 1800's had wooden casings. Most rotted off and created a safety hazard. As a kid growing up in the Bradford Oilfield you had to watch out for these holes. In the winter the snow was melted off by the earths heat coming up the well so were easy to see. Wells that were capped in the later years were bridged off part way down and filled with cement and a 2 inch pipe sticks up in the air with a tag attached.
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  #26  
Old 01-07-2010, 11:41:12 PM
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Reed Engine Reed Engine is offline
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Default Re: capped wells/stripper wells

Quote:
Originally Posted by Mike Rock View Post
Thank you for that small insight. That alone is enough to turn your stomach.
I wonder what is going on in the eastern wells, like the Cumberland plateau wells and the ones in Pennsylvania and West Virginia..and Tennessee and Kentucky. And just south of me in Illinois...?

How are you fellows out there faring with the government? One of the reasons I ask is that as prices rise, my old company is looking at going back into the manufacture of the jacks and cylinders for the shallow wells.

Most respectfully,
Mike Rock
What are jacks and cylinders?
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  #27  
Old 01-09-2010, 11:15:33 PM
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Craig A Craig A is offline
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Default Re: Capped wells / stripper wells

Jacks are mechanical devices for operating old time hand pumps.

http://www.aermotorwindmills.com/bakerpumpjacks.htm

The cylinder he refers to is the part of the pump that is below ground surface. The piston and check valves are part of the assembly.

http://www.worldofstock.com/closeups/PHI3078.php

(There is a poor cylinder photo at this link http://www.aermotorwindmills.com/handpumps.htm )
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  #28  
Old 01-10-2010, 07:17:35 AM
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Doug Waggonner Doug Waggonner is offline
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Default Re: Capped wells / stripper wells

Actually Craig, I bet he's talking about Oilfield Pump Jacks. Not water well pumping.

As for cylinders, I'm not sure what he is referring to?
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  #29  
Old 01-10-2010, 10:47:48 PM
Jerry Sweet Jerry Sweet is offline
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Default Re: Capped wells / stripper wells

There are two types of down hole,rod drawn pumps used.The first type used (mostly in shallow wells),had the pump barrel (cylinder) screwed onto the bottom of tubing.sometimes they ran a short tubing tail below the pump.The plunger(piston) was ran in on the sucker rods. The plunger has a traveling (discharge) valve,that travels with the plunger.When runing the plunger in ,it has a standing valve latched onto the bottom.When the standing valve sets down in the lower end of the barrel,the rods are turned about a turn to release the standing valve in place, and the plunger,with it's traveling valve is picked up a very short distance and spaced so it doesn't bump down or pull out of the barrel while stroking.When you want to replace the valves and plunger.Sit down on the standing and turn the rods,to latch on then pick up (any fluid in the tubing will drain back),the just come on out with rods,plunger,traveling valve,and standing valve.
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  #30  
Old 01-11-2010, 09:11:41 PM
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Default Re: Capped wells / stripper wells

I worked on pulling unit for years at one time. Oil wells have tubing in them down into the fluid level of the well. At the bottom of the tubing is a necked down fitting called a seating nipple. The pump that goes down in the well is called just that. The pump has a series of fiber or leather rings on the no-go that seats into the seating nipple (this keeps the pump in place and seals the fluid so it will pump UP the tubing).

The pumps I've seen were either called a cup and ring pump, again fiber cups make a seal inside the barrel of the pump. The other design is metal on metal where the OD of the plunger is within .001's of the ID of the barrel. There are a few grooves machined into the plunger and just the thickness of the fluid makes a good enough seal for the pump to pump. At the top and bottom of a pump is a ball and seat valve. Sometimes they run different sizes and even double ball and seat vales depending on how gassy the well is. You see other configurations of pumps called either pull rod pumps, where a small center rod in the center of the barrel works the travel plunger up and down. This sucks when the pump gets stuck in the seating nipple causing the rod the pull out and so a wet tubing job. The other common design is called a pull tube where a large tubed travels up and down over a smaller ID tube, these are much stronger to pull up on when removing for service. When these pumps get stuck in the seating nipple you have to pull both the rods and the tubing at the same time. This is called stripping job, the worst job in the oil field. The tubing is full of fluid and the rods are 25 ft long and the tubing varies from 28-32 ft so the rod boxes and tubing collars hardly line up so the rods have to be cut into with a hack saw or sometimes a joint of tubing can be "sky-topped" way up the rig pole and the rod can be "wrenched" while hanging off the side of the pole. Fun stuff.

Metal to metal pumps have a problem with minerals in the fluid hanging them up and the cup and ring pumps have a problem with minerals cutting grooves in the cups so the quit pumping.
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  #31  
Old 01-11-2010, 09:23:22 PM
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Default Re: Capped wells / stripper wells

As far as standing valves we just dropped them into the well at ground level and let gravity do the rest. Screwing onto one to get it back out was always great fun, we did it with a 24" pipe wrench walking around in circles and then pulling up to see if we screwed in or not. I saw a guy get his foot broke doing this once. We were passing the 24 back and forth as we were trying to screw on and it was getting pretty tight, I told the guy "it's pretty tight", he thought he was so much stronger than I was he just grabbed it and when I let go it jerked him back into the flow line. He tripped over the flow line and his feet went up in the air as the 24 was spinning around as the polish rod was back spinning. The 24 hit him right across the top of his foot and broke every bone.

Ah the memories.
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  #32  
Old 01-11-2010, 10:01:00 PM
Lyndon Strother Lyndon Strother is offline
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Default Re: Capped wells / stripper wells

I too work in the Oli Industry, in North Americas largest oilfield. We have over 10,000 wells. Not one of them is a stripper well, and none have wlaking beam pumps. All but one of our operations here in Prudhoe Bay are done by Injection Technology which is where you push the oil up and out with GAS, and Float it Out with Water. Only one of our fields uses down hole pumps that are a fancy submersible pump. They range from a low of 167 HP to about a 1000 HP, all electric, 2400Volt.
One of the employees of Arrow Engine told me some years back that their biggest customer was the Oilfields of BC/Alberta. They were sending a truck a month of new engines there and it jumped to something like 1 a week for a bit. Don't know what that status is now, but one of the forums 2 Arrow people should.
I hauled a Witte CD Genset down the ALCAN(Alaska Highway,..Alaska..Canadian) along with a snow cat and a John Deere Genset and was suprised how many Witte's there were along the route from Alaska to Dawson Creek BC. At one diner, somewhere outside Whitehorse Yukopn Territory, The OWNER/Head Cook, of a "whistle-stop" out in the middle of no-where came out to turn on the power to her gas pumps after serving us dinner. She imediately spotted the Witte. :"Got 2 of those in the back. a CD & a BD,.. now I use a Kubota"
At another similar combinition BAR/Restraunt/Cabins on the road between Glen Allen Ak and Valdez, the Bar tender told how the cook got up early, cranked up the BD, preped the kitchen and made coffey, and as soon as the other people started to wake up he would switch over to the larger CD, run on it all day, then switch back to the smaller witte for the evening when just the bar was open.
There's a witte BD pumping unit at the ALCAN Museum in Fort Nelson, along with some massive 4750 HP V-16 Cooper Bessemers. From Central Alaska all the way to northern BC one can find the rusting hulks of old engines used for power generation as well as the foundations from many that burned down. Lots of FB's, in one, 2 and 3 Cyl designations.
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  #33  
Old 01-12-2010, 12:33:13 AM
Jerry Sweet Jerry Sweet is offline
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Default Re: Capped wells / stripper wells

Witte must have had some good sales people along the highway.I stopped at the cafe/bar at Beaver Creek, on the way to the swanson river field with a load of testing equipment Feb.1961.While I was eating ,I heard this real nice sounding engine running out back.I made a remark,and the owner asked if I would like to see it.It was a 12.5 KW,two cylinder Witte in a building that looked better than the cafe.The unit was set up on a cement pedistal about 3 feet off the dirt floor and had a small log building over it.She was realy proud of it and kept it spotless.
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  #34  
Old 01-13-2010, 09:56:53 PM
zoya2 zoya2 is offline
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Default Re: capped wells/stripper wells (clipped)

how would one get an oil feild map. i have been told of some wells on my place from the older men around that are clipped off
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  #35  
Old 01-14-2010, 07:04:20 AM
Jerry Sweet Jerry Sweet is offline
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Default Re: Capped wells / stripper wells

Try checking with your state offices? Here in california it is the "Division Of Oil And Gas",I woluld think places like Texas Railroad Commission would have info.for Texas, etc.
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  #36  
Old 01-14-2010, 09:08:03 AM
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Default Re: Capped wells / stripper wells

Just something to keep in mind. In Osage County Oklahoma anyway, there are hundreds of abandoned wells. When a new lease owner buys an old field he also inherits the plugging liability of all those old abandoned wells.

I'm not saying for 100% sure if you now own the land you might be liable to plug an old well but maybe you should kind of keep things on the QT as you do your search.

If you decide to reopen a well you would be obligated to plug it properly (to government requirements) if it didn't make anything. This is expensive.
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  #37  
Old 01-14-2010, 01:28:18 PM
Jerry Sweet Jerry Sweet is offline
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Default Re: Capped wells / stripper wells

I just looked up" Ohio state Petroleum Regulatory"on my computor and got all kinds of sites.You might find out about abandonment clauses there without disclosing any of your information.
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