1. A method of recovering crude oil from a subterranean hydrocarbon containing formation which comprises (a) injecting into said formation through an injection well an aqueous solution containing an effective amount of one or more alkali(s) along with an effective amount of alkylaryl sulfonate surfactant made by alkylating and sulfonating aromatic compounds and an alpha-olefin stream having a broad distribution in olefin carbon numbers, the olefin stream is the carbon chain C10 bottoms of a commercial ethylene synthesis alpha-olefin reactor and comprises C10+ through C30+ carbon chain fractions, and wherein the aromatic compound is selected from the group consisting of benzene, toluene, xylene, ethyl benzene, or mixtures thereof, and then neutralizing the resulting alkylaryl sulfonic acid, and (b) displacing said solution into the formation to recover hydrocarbons from a production well.
2. The method of claim 1 wherein said alkali is one or more selected from the group mono valent hydroxide, mono valent carbonate, mono valent silicate.
3. The method according to claim 1 wherein the alkali is selected from the group sodium hydroxide, sodium carbonate, sodium silicate.
4. The method of claim 1 where the alkali is present in amounts of from about 0.1% by weight to about 3.0% by weight.
5. The method of claim 1 where the alkylaryl sulfonate surfactant is present in amounts from about 0.025% by weight to about 0.5% by weight.
6. The method of claim 1 wherein said alpha-olefin stream is a combination of individual alpha-olefin fractions having a carbon chain of from about C12 to about C28.
7. The method according to claim 1 wherein the aromatic compound is o-xylene, m-xylene, p-xylene or mixtures thereof and wherein the injection wells and production wells are selected from the group consisting of the same well, different wells or combinations thereof.
8. The method of claim 1 wherein alkylation of the aromatic compounds by the alpha-olefin stream having a broad distribution in olefin carbon numbers is conducted with AlCl3 or HF catalyst.
9. The method of claim 1 wherein alkylation of the aromatic compounds is conducted using the olefin sulfonic acids from the sulfonation of an alpha-olefin stream having a broad distribution in olefin carbon numbers.
10. The method of claim 1 where the neutralization is carried out using NaOH.
11. An alkali and alkylaryl sulfonate surfactant composition for enhanced oil recovery giving the improvement ultra-low interfacial tensions over a wide range of alkali(s) concentrations, comprising one or more alkali(s) along with an alkylaryl sulfonate wherein the alkyl chain includes C12 to C30+ carbon chain lengths and wherein the carbon chain is straight, branched or mixtures thereof, and wherein the aryl group is selected from the group benzene, toluene, xylene, ethyl benzene, or mixtures thereof.
12. The composition of claim 11 wherein said alkali is one or more selected from the group mono valent hydroxide, mono valent carbonate, mono valent silicate.
13. The composition according to claim 11 wherein the alkali is selected from the group sodium hydroxide, sodium carbonate, sodium silicate.
14. The composition according to claim 11 wherein the aryl group is o-xylene, m-xylene, p-xylene, or mixtures thereof.
15. The composition of claim 11 where the alkali is present in amounts of from about 0.1% by weight to about 3.0% by weight.
16. The composition of claim 11 where the alkylaryl sulfonate surfactant is present in amounts from about 0.025% by weight to about 0.5% by weight.
17. The composition of claim 11 wherein said alkyl chain is one having a carbon chain of from about C12 to about C28.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A form for special service delivery of a mailpiece having a front side and a back side wherein the back side is located opposite to the front side, the form comprising:
a sheet;
a label attached to the sheet wherein the label has a top end, a front side and a back side wherein the back side is located opposite to the front side and further wherein the label has information related to the delivery of the mailpiece by the special service on the front side and wherein the label is removed from the sheet and the back side of the label attaches to the mailpiece;
a tab on the label wherein the tab is integral with and extends from the top end of the label and has a first special service indicator in an upright orientation relative to the information related to the delivery of the mailpiece by the special service on the front side of the label and a second special service indicator in an inverted orientation relative to the upright orientation of the first special service indicator wherein a fold line is located between the first special service indicator and the second special service indicator and further wherein the tab is removed with the label from the sheet and attaches to the mailpiece wherein the first special service indicator attaches to the front side of the mailpiece with the fold line aligned to an edge of the mailpiece and the second special service indicator on the tab is configured to fold over the edge of the mailpiece and attaches onto the back side of the mailpiece wherein the first special service indicator is visible in the upright orientation from the front side of the mailpiece and the second special service indicator is visible in the upright orientation from the back side of the mailpiece;
a first section on the front side of the label wherein the first section has information related to an electronic return receipt service associated with the mailpiece wherein the first section has a machine-readable code section having machine-readable information associated with the mailpiece; and
a second section on the front side of the label wherein the second section has information indicative of the special service for delivery of the mailpiece.
2. The form of claim 1 further comprising:
an adhesive on the back side of the label.
3. The form of claim 1 further comprising:
an auxiliary label on the form.
4. The form of claim 1 wherein the sheet is a silicone sheet.
5. The form of claim 1 further comprising:
an auxiliary special service designator section removably attached to the sheet wherein the auxiliary special service designator section has information indicative of the special service.
6. The form of claim 1 further comprising:
a receipt removably attached to the sheet wherein the receipt has information associated with the delivery of the mailpiece by the special service.
7. The form of claim 1 further comprising:
an address label removably attached to the sheet wherein the address label has information associated with a delivery address of the mailpiece.
8. The form of claim 1 further comprising:
an auxiliary information section printed on the sheet wherein the auxiliary information section has information unrelated to the mailpiece.
9. The form of claim 1 further comprising:
a Quick Response (QR) code printed on the sheet wherein the QR code has machine-readable information.
10. The form of claim 1 further comprising:
instructions for use of the form printed on the sheet.
11. The form of claim 1 wherein the label has information that equates to U.S. Postal Service Form 3800 to permit mailing the mailpiece without attaching U.S. Postal Form 3800.