1. An aqueous treating composition comprising:
a relative permeability modifier (RPM) macromolecule; and
at least one formation damage control additive.
2. The aqueous treating composition of claim 1, wherein the RPM macromolecule is crosslinked.
3. The composition of claim 2, wherein the RPM macromolecule is a crosslinked microgel.
4. The composition of claim 3, wherein the microgel is crosslinked in an amount from about 0.25 wt. % to about 2.5 wt. %, based on the weight of the microgel.
5. The composition of claim 1, wherein the RPM macromolecule is ionic or non-ionic.
6. The composition of claim 1, wherein the RPM macromolecule has a K value from about 200 to about 1,000.
7. The composition of claim 1, wherein the RPM macromolecule has a weight average molecular weight from about 10,000 gmol to about 50,000,000 gmol.
8. The composition of claim 1, wherein the concentration of the RPM macromolecule in the composition is from about 100 ppm to about 5,000 ppm.
9. The composition of claim 1, wherein the at least one formation damage control additive is selected from the group comprising scale control agents, salt control agents, fines control agents, organic deposit control agents, hydrate control agents, corrosion control agents and mixtures thereof.
10. The composition of claim 1, wherein the at least one formation damage control additive is present in a concentration from about 1 ppm to about 1,000 ppm.
11. The composition of claim 1, further comprising one or more salts selected from the group consisting of alkali metal salts, alkali earth salts, formate salts, bicarbonate salts, chloride salts, bromide salts, sulfate salts and acetate salts.
12. The composition of claim 1, further comprising an aqueous acid selected from the group consisting of hydrochloric, hydrobromic, acetic, formic, citric, glycolic, gluconic, and hydrofluoric acid, andor mixtures thereof.
13. The composition of claim 1, wherein the RPM macromolecule solution comprises an organosilicon compound.
14. The composition of claim 1, wherein the RPM macromolecule and the at least one formation damage control additive are synergistic.
15. The composition of claim 9, wherein the at least one formation damage control additive is a scale control agent.
16. The composition of claim 15, wherein the scale control agent is a phosphonate, phosphinate, phosphate, polyphosphonate, polyphosphinate, polyphosphate, or a phosphinocarboxylic acid or its polymers.
17. A method for controlling formation damage in a hydrocarbon-producing formation susceptible to formation damage, the method comprising introducing the composition of claim 1 into the hydrocarbon-producing formation.
18. The method of claim 17, wherein the RPM macromolecule is a crosslinked, deformable microgel.
19. The method of claim 17, wherein the concentration of the active components in the aqueous phase of the treating composition introduced into the hydrocarbon-producing formation is from about 0.01 to about 70 vol. %.
20. The method of claim 17, wherein the aqueous treating composition further comprises brine.
21. The method of claim 17, wherein the weight ratio of RPM macromolecule to formation damage control additive is between from about 200:1 to about 1:200.
22. The composition of claim 1, further comprising a hydrocarbon phase and an aqueous phase.
23. The composition of claim 22, wherein the at least one formation damage control additive is an organic deposit control agent.
24. The method of claim 17, wherein the composition further comprises a hydrocarbon phase and an aqueous phase.
25. The method of claim 24, wherein the at least one formation damage control additive is an organic deposit control agent.
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. An electronic shelf label comprising:
a battery supplying power;
a communication module transmitting information regarding a remaining battery capacity of the battery to a server, and receiving information regarding a remaining battery life corresponding to the remaining battery capacity;
a display displaying product information and a price;
a user input unit receiving a user input; and
a controller checking the remaining battery capacity of the battery, and displaying the received information regarding the remaining battery life according to the user input.
2. The electronic shelf label according to claim 1, wherein the information regarding the remaining battery capacity of the battery is transmitted to the server along with an Alive signal that is periodically transmitted to the server.
3. The electronic shelf label according to claim 1, wherein the information regarding the remaining battery life is received from the server, along with a reception acknowledgement signal in response to the Alive signal.
4. The electronic shelf label according to claim 3, wherein when the reception acknowledgement signal in response to the Alive signal is not received, the controller retransmits the information regarding the remaining battery capacity and the Alive signal.
5. The electronic shelf label according to claim 1, further comprising a magnetic sensor,
wherein the user input is a magnet detected by the magnetic sensor.
6. The electronic shelf label according to claim 1, wherein the controller displays management information for the electronic shelf label, together with the received information regarding the remaining battery life.
7. A method of displaying a remaining battery life of an electronic shelf label, the method comprising:
checking a remaining battery capacity of a battery;
transmitting information regarding the remaining battery capacity to a server;
receiving information regarding a remaining battery life corresponding to the remaining battery capacity; and
displaying the received information regarding the remaining battery life according to a user input.
8. The method according to claim 7, further comprising periodically transmitting an Alive signal to the server,
wherein the information regarding the remaining battery capacity is transmitted together with the Alive signal.
9. The method according to claim 8, further comprising receiving a reception acknowledgement signal in response to the Alive signal from the server,
wherein the information regarding the remaining battery life is received together with the reception acknowledgement signal.
10. The method according to claim 9, further comprising retransmitting the information regarding the remaining battery capacity and the Alive signal, when the reception acknowledgement signal is not received in response to the Alive signal.
11. The method according to claim 7, wherein the electronic shelf label includes a magnetic sensor,
wherein the information regarding the remaining battery life is displayed when the magnetic sensor detects an approach of a magnet to the magnetic sensor.
12. The method according to claim 7, wherein the received information regarding the remaining battery life is displayed together with management information for the electronic shelf label.