Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1988-02-08
1989-07-11
Norton, Donald F.
Receptacles
Outlet or junction box type
Sectional receptacle
138 30, B65D 804
Patent
active
048463647
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a bottle or container for containing liquid/gas and especially suited for transportation of samples thereof.
Duringn oil and gas production, automatic samplers are sent down to the well for collection of samples. The samples are transferred to transportation bottles which are sent to a laboratory for analysis. Samples from oil/gas-separators are also transferred to transportation bottles for transportation to the laboratory. Some samples are stored for many years, and these are meant to be stored in the transportation bottles under a fixed pressure.
It is very important that the bottles be clean, sterile and free of air to get representative samples. Previously, several different procedures were used to eliminate air from the bottles. The most common process is first to evacuate the bottles and then fill them up with mercury. When the oil/gas is filled into the bottle, the mercury will be replaced, and an extra bottle for collection of the mercury is necessary, since mercury is poisonous. Also, prohibition of use of mercury already has come into affect in some countries, and it is expected that use of mercury also will be forbidden in several other countries. Bottles filled with mercury are also very heavy to handle. The mercury also represents an investment.
Another method is just to evacuate the bottles by use of a vacuum pump. By this method one cannot be sure that all the air is removed from the bottle. Water has also been used to replace air in the bottles. By use of water a strange or foreign element is added to the sample. It is therefore an advantage to use water from the well where the sample was collected. This however is very bothersome.
Also known is a method where oil and gas are blown through the bottle until all air is removed and a representative sample is obtained. This is a bothersome and risky method, and it is, for example, not suited when a limited sample must be transferred.
SUMMARY OF THE INVENTION
An object of the invention thus is to develop a transportation bottle or container which does not add strange or foreign elements to the sample and at the same time makes it possible to replace the air in the bottle in an easy way. It is a further important object to provide a bottle which makes possible a quick and secure sampling of representative samples and that is safe and easy to use for those who handle the bottle.
These and other objects of the invention are obtained with the apparatus described below, and the invention is further defined and characterized in the following claims.
As main features the transportation bottle includes a body with two hemispherical inner surfaces and fixed to each other with a hemispherical membrane having a flange fixed between the two parts of the sphere. The transportation bottle can have an inner lining. Before transference of the samples to the transportation bottle the membrane is positioned tightly against the one of the inner hemispherical surfaces. The bottle is equipped with a valve in each end on opposite sides of the membrane. To fill the bottle, one valve is connected to a counter pressure medium, for example water, and first is opened, and for example water pours in and fills the bottle from the side thereof opposite the side against which the membrane is positioned. The bottle is filled with water until there is achieved a pressure large enough to ensure that the membrane is forced against the inner wall of the bottle. The valve on the water side then is closed. The bottle is then attached, for example, to an oil/gas separator, and the valve on the side leading to oil/gas is opened. This will not involve any reaction to the membrane because the pressure on the water side will resist the oil/gas pressure. Thereafter, the valve on the water side is opened, and the pressure of the oil/gas forces out the water, and the sample of oil/gas will fill the bottle as the membrane reverses round a weakened area until it is pressed toward the opposite inner wall of the bottle. When this has hap
REFERENCES:
patent: 3587653 (1971-06-01), Jacobellis et al.
patent: 3836335 (1974-09-01), Eppes
patent: 3843010 (1974-10-01), Morse et al.
patent: 4129025 (1978-12-01), Carey et al.
patent: 4437346 (1984-03-01), Kummer
patent: 4753368 (1988-06-01), Lescaut
Norsk Hydro a.s.
Norton Donald F.
LandOfFree
Transportation container for fluid/gas samples does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Transportation container for fluid/gas samples, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Transportation container for fluid/gas samples will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-430905