US1444998A - Explosive container - Google Patents

Description

Feb. 13, 1923. 1,444,998

W. BECK EXPLOSIVE CONTAINER Filed June 18, 1921- nvmvron 159cm,

WITNESSES i etentefd Feb. 13, 1923.

' ilhliilhfi STAYES 1 PAT winner/1,3 on, or TULSA, OKLAHOMA.

EXPLOSIVE CONTAINER.

Application filed June is, 1921. Serial No. 478,764..

To all in tom it may 12 (201m,

Be it known that I, ll innmir Back, a citizen of the United States.,-and aresident of single thickness and the heat generated by j the contact of the container with the wall of the casing is transmitted through the wall of the container with the result that the explosive contained therein is ignited. Also,

the containers are in many cases slightly leaky and thereby allow a small quantity of explosive to escape and possibly cause'premature explosion of the main body of explo sive.

A further ditficulty encountered is the fact that burs and the like on the inner wall of the casing frequently puncture the explosive container and thereby permit the explosive contained therein to escape.

it is therefore, the aim of this invention to provide an explosive container consisting of inner and outer shells, the outer shell forming a means for protecting the inner shell from frictional contact with the wall of the casing and also to prevent the inner shell from being punctured.

By the use of a double shell container any explosive which might escape from the inner shell will be confined within the outer shell, and thereby prevented fronrcausing premature explosion of the main body of explosive.

Other objects and advantages will be apparent during the course of the following description.

In the accompanying drawing forming a part of this application and in which like numerals are employed to designate like parts throughout the same, I

Figure 1 is a side elevation of the con tainer in use.

Figure 2 is a central vertical sectional viewthrough the same.

. Figure 3 is a sectional view taken on line- 3--3 of Fi ure 2. y

In the rawing the numeral 5 generally designa es the improved nitroglycerin eon tainer which is adapted to be lowered into a well casing 6 by means of a cable 7 or other suitablemeans.

"The improved container comprises an inner shell 8 adapted forthe reception of a quantity of nitroglycerin 9 or other explosive. The nitroglycerin is introduced into,

the inner shell 8 by means of a funnel shaped member 10 extended downwardly into the body of the shell. The inner shell 8- is formed adjacent itslowe-r end with an inwardly directed rib 12 to which a bottom wall 13 is connected by'means of a flange 14:.

An outer shell 16 receives the inner shell and is arranged in spaced relation to the same to form an annular water chamber or jacket 17 into which water may be introduccd by means of an opening 18. 'As illustrated in Figure 2, the opening 18 is ar- It is thus apparent that the nitroglycerin contained in the inner shell is surrounded by a body of water which maintains the explosive in acool condition when the container is being lowered into a well.

Should the inner shell develop a leak, the

escaping nitroglycerin will be confined in the jacket '17 so that it is prevented from coming in contact with the wall of the casing and possibly causing a premature explosion' in the well casing. I I I A further function of he outer shell resides in the fact that itprotects the inner explosive containing shell from splinters and projections in the casing and thereby prevents the puncturing. of the inner shell.

Should the device comein frictional con,- tact withithe wall of the casing, the heat generated will not be transmitted to the ex plosive but will be effectively absorbed by the water contained in the ackets 17 and 23. By the use of this invention, the explosive may be loweredto .the desired distance in the well casing without the possibility of a premature explosion and a resulting loss of time and money. The container may be made in a variety of sizes and may be 44444141444444.4444 at as extremely low cost;

ranged above the level ofthe explosive and I I claim v ception of a fluent explosive and having its upper end formed with an inlet opening,

saidfjacket being extended about'said inner shell to receive the leakage from the same. 2.'An explosive container tor o1l wells comprising-ani'inner shell adapted for the reception of a fluent explosive, and an outer protecting shell completely surrounding the sides-and forward end of the inner shell in spaced relation'to the same and defining a water. ChZtIDbBi, said chamber being adapted for the reception of the leakage of the explosive,

3. An explosive container for oil wells comprising an inner shell adapted for the reception of a fluent explosive, an outer protecting shell surrounding the inner shell in spaced relation to the same and cooperating with the inner shell ;in- 'lorming'a water chamber, said outer shell being'provided adjacent its upper end 'with'a' water inlet 'opening, and inner and outer' spaced cone-shaped members arranged at the forward ends of said shells and defining acone shaped water chamber communicating wlth said first named water chamber said chambers being adapted for the reception of the leakage from said inner shell. 4. A nitroglycerin container tor use in glycerin and having a funnel shaped inlet portion, an outer cylindrical shell surround mg the inner shell in spaced relation to the same thereby forming an annular protecting chamber, said outer shell being provided above the outlet end of said inlet portion with a water inlet opening, the lower end wall of said inner shell being? spaced from the forward end of said protecting chamber whereby the water extends for a substantial distance beyond the 'body of nitroglycerin contained within the inner shell, and inner and outer spaced cone shapedmemberssecured to the forward ends of said shells and defining a cone shaped water chamber in communication with said protecting chamber, ,said' outer shell constituting a -pi',otector for the nitroglycerin container, and also constituting a receiver for the leakage '01"? the nitroglycerin.

WILLIAM 35 oil wells comprlsing an inner cylindrical

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